N222372380 Third Row Seatbelt Buckle Retention – 2021-2022 Cadillac Escalade, Chevrolet Suburban, Tahoe, GMC Yukon

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Frequently Asked Questions (FAQs) for Safety Recall N222372380 Third Row Seatbelt Buckle Retention These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety Recall identified above. Q1) Which vehicles are involved? A1) General Motors has decided that a defect which relates to motor vehicle safety may exist in certain 2021 – 2022 model year Cadillac Escalade and Escalade ESV vehicles, 2021 – 2022 model year Chevrolet Suburban and Tahoe vehicles, and 2021 – 2022 model year GMC Yukon and Yukon XL vehicles. Q2) What is the issue or condition? A2) In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. Q3) What symptoms may be experienced? What warning signs may be associated with the issue or condition described? A3) None. Q4) What is the remedy/repair? A4) Dealers will inspect the rivet head formation on both the left and right side third row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. Q5) What is the safety risk? Is the vehicle safe to drive? A5) If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. Q6) Does the customer have to pay for this remedy/repair? A6) No, this inspection/repair will be done at no cost to the customer. Q7) Is the remedy/repair available now? A7) Yes, please see the attached bulletin for details. This bulletin contains an inspection procedure for both dealer inventory and customer vehicles. It is estimated that a very small percentage of the involved vehicles will fail the inspection and require part replacement. Vehicles (both dealer inventory and customer owned) that pass this inspection procedure should be closed using the “Inspect Only – Vehicle Passed Inspection (No Further Action Required)” labor code 9106434. Vehicles in dealer inventory: Vehicles in dealer inventory that do not pass the inspection procedure contained in this bulletin cannot be sold or delivered to the customer. When the required parts become available, a revision will be made to this bulletin, at which time those vehicles can be repaired, closed, and delivered. Floor plan/WCAP reimbursement will also be added for vehicles which did not pass the inspection procedure. All involved vehicles that are in dealer inventory must be held and not delivered to customers, dealer traded, or used for demonstration purposes unless the vehicle has passed the inspection procedure contained in this bulletin. Customer-owned vehicles: If a customer inquires about this safety recall, advise the customer to not use the third row seating positions until the vehicle is inspected. If a Frequently Asked Questions (FAQs) for Safety Recall N222372380 Third Row Seatbelt Buckle Retention customer vehicle passes the inspection procedure contained in this bulletin, the customer should be advised that their vehicle has passed and there is no need to return their vehicle to the dealership for service under this recall. If the vehicle does not pass the inspection procedure, advise the customer to not allow passengers to use the seating position that failed the inspection and the middle seating position until the seatbelt buckle assembly for that seat has been replaced. Further advise the customer that GM is working to obtain the parts necessary to complete the recall repairs and will send the customer a letter when parts are available. Q8) What should customers do until recall repairs can be completed? Are there any special instructions? A8) If special instructions are provided, they will be included in the notification letters to customers. Q9) How can customers check to see if their vehicle is involved in this field action? A9) Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at https://my.gm.com/recalls or via NHTSA’s website at https://vinrcl.safercar.gov/vin/. Q10) If customers are concerned, can they get a rental car or courtesy transportation? A10) Courtesy transportation is available for customers whose vehicles are involved in this recall and are within the warranty coverage period for the warranty which is associated with this recall. Please refer to Warranty Administration Bulletin #17-NA-073: Field Action Courtesy Transportation Policy for further information.

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Frequently Asked Questions (FAQs) for Safety Recall N222372380 Third Row Seatbelt Buckle Retention These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety Recall identified above. Q1) Which vehicles are involved? A1) General Motors has decided that a defect which relates to motor vehicle safety may exist in certain 2021 – 2022 model year Cadillac Escalade and Escalade ESV vehicles, 2021 – 2022 model year Chevrolet Suburban and Tahoe vehicles, and 2021 – 2022 model year GMC Yukon and Yukon XL vehicles. Q2) What is the issue or condition? A2) In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. Q3) What symptoms may be experienced? What warning signs may be associated with the issue or condition described? A3) None. Q4) What is the remedy/repair? A4) Dealers will inspect the rivet head formation on both the left and right side third row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. Q5) What is the safety risk? Is the vehicle safe to drive? A5) If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. Q6) Does the customer have to pay for this remedy/repair? A6) No, this inspection/repair will be done at no cost to the customer. Q7) Is the remedy/repair available now? A7) Yes, please see the attached bulletin for details. Q8) What should customers do until recall repairs can be completed? Are there any special instructions? A8) If special instructions are provided, they will be included in the notification letters to customers. Q9) How can customers check to see if their vehicle is involved in this field action? A9) Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at https://my.gm.com/recalls or via NHTSA’s website at https://vinrcl.safercar.gov/vin/. Q10) If customers are concerned, can they get a rental car or courtesy transportation? A10) Courtesy transportation is available for customers whose vehicles are involved in this recall and are within the warranty coverage period for the warranty which is associated with this recall. Please refer to Warranty Administration Bulletin #17-NA-073: Field Action Courtesy Transportation Policy for further information.

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Frequently Asked Questions (FAQs) for Safety Recall N222372380 Third Row Seatbelt Buckle Retention These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety Recall identified above. Q1) Which vehicles are involved? A1) General Motors has decided that a defect which relates to motor vehicle safety may exist in certain 2021 – 2022 model year Cadillac Escalade and Escalade ESV vehicles, 2021 – 2022 model year Chevrolet Suburban and Tahoe vehicles, and 2021 – 2022 model year GMC Yukon and Yukon XL vehicles. Q2) What is the issue or condition? A2) In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. Q3) What symptoms may be experienced? What warning signs may be associated with the issue or condition described? A3) None. Q4) What is the remedy/repair? A4) Dealers will inspect the rivet head formation on both the left and right side third row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. Q5) What is the safety risk? Is the vehicle safe to drive? A5) If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. Q6) Does the customer have to pay for this remedy/repair? A6) No, this inspection/repair will be done at no cost to the customer. Q7) Is the remedy/repair available now? A7) Yes, please see the attached bulletin for details. This bulletin contains an inspection procedure for both dealer inventory and customer vehicles. It is estimated that a very small percentage of the involved vehicles will fail the inspection and require part replacement. Vehicles (both dealer inventory and customer owned) that pass this inspection procedure should be closed using the “Inspect Only – Vehicle Passed Inspection (No Further Action Required)” labor code 9106434. Vehicles in dealer inventory: Vehicles in dealer inventory that do not pass the inspection procedure contained in this bulletin cannot be sold or delivered to the customer. When the required parts become available, a revision will be made to this bulletin, at which time those vehicles can be repaired, closed, and delivered. Floor plan/WCAP reimbursement will also be added for vehicles which did not pass the inspection procedure. All involved vehicles that are in dealer inventory must be held and not delivered to customers, dealer traded, or used for demonstration purposes unless the vehicle has passed the inspection procedure contained in this bulletin. Customer-owned vehicles: If a customer vehicle passes the inspection procedure contained in this bulletin, the customer should be advised that their vehicle has passed Frequently Asked Questions (FAQs) for Safety Recall N222372380 Third Row Seatbelt Buckle Retention and there is no need to return their vehicle to the dealership for service under this recall. If the vehicle does not pass the inspection procedure, advise the customer to not allow passengers to use the seating position that failed the inspection until the seatbelt buckle assembly for that seat has been replaced. Further advise the customer that GM is working to obtain the parts necessary to complete the recall repairs and will send the customer a letter when parts are available. Q8) What should customers do until recall repairs can be completed? Are there any special instructions? A8) If special instructions are provided, they will be included in the notification letters to customers. Q9) How can customers check to see if their vehicle is involved in this field action? A9) Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at https://my.gm.com/recalls or via NHTSA’s website at https://vinrcl.safercar.gov/vin/. Q10) If customers are concerned, can they get a rental car or courtesy transportation? A10) Courtesy transportation is available for customers whose vehicles are involved in this recall and are within the warranty coverage period for the warranty which is associated with this recall. Please refer to Warranty Administration Bulletin #17-NA-073: Field Action Courtesy Transportation Policy for further information.

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IMPORTANT SAFETY RECALL September 2022 This notice applies to your vehicle, VIN: __________________________________ Dear General Motors Customer: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2021 – 2022 model year Cadillac Escalade and Escalade ESV vehicles, 2021 – 2022 model year Chevrolet Suburban and Tahoe vehicles, and 2021 – 2022 model year GMC Yukon and Yukon XL vehicles. As a result, GM is conducting a safety recall. We apologize for this inconvenience. However, we are concerned about your safety and continued satisfaction with our products. IMPORTANT • Your vehicle is involved in GM safety recall N222372380. • As a precaution, do not allow passengers to use the third-row seating positions in your vehicle until your GM performs the recall inspection procedure. Why is your vehicle being recalled? In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. What will we do? Parts to repair your vehicle are not currently available, but when parts are available, your GM will inspect the rivet head formation on both the left and right side third row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. This service will be performed for you at no charge. Do you have questions? If you have questions or concerns that your dealer is unable to resolve, please contact the appropriate Customer Assistance Center at the number listed below. Division Number Text Telephones (TTY) Cadillac 1-866-982-2339 1-800-833-2622 Chevrolet 1-800-630-2438 1-800-833-2438 GMC 1-866-996-9463 1-800-462-8583 Puerto Rico – English 1-800-496-9992 Puerto Rico – Español 1-800-496-9993 Virgin Islands 1-800-496-9994 For the hearing or speech impaired, please contact our Customer Assistance Center using the Telecommunication Relay Service by dialing 711 then providing the appropriate Customer Assistance Center number for your vehicle. If after contacting your dealer and the Customer Assistance Center, you are still not satisfied we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE., Washington, DC 20590, or call the toll-free Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to http://www.nhtsa.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 22V617. Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. Regina Carto Vice President Global Vehicle Safety and Systems GM Recall: N222372380

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Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Copyright 2022 General Motors. All Rights Reserved. Page 1 of 10 Release Date: October 2022 Revision: 02 Revision Description: This bulletin is being revised to add the final repair for vehicles that did NOT pass the inspection and to include the customer letter. Please discard all previous copies of N222372380. Attention: It is a violation of Federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or noncompliance is remedied. Vehicles that did not pass the inspection in this recall were placed on stop delivery August 11, 2022. Once the service procedure contained in this bulletin has been performed on the vehicle, the vehicle is released from stop delivery and the vehicle can be delivered to the customer. All involved vehicles that are in dealer inventory must be held and not delivered to customers, dealer traded, or used for demonstration purposes until the repair contained in this bulletin has been performed on the vehicle. Make Model Model Year RPO Description From To Cadillac Escalade / Escalade ESV 2021 2022 Chevrolet Suburban Chevrolet Tahoe GMC Yukon / Yukon XL Involved vehicles are marked “Open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs. Condition General Motors has decided that a defect which relates to motor vehicle safety may exist in certain 2021 – 2022 model year Cadillac Escalade and Escalade ESV vehicles, 2021 – 2022 model year Chevrolet Suburban and Tahoe vehicles, and 2021 – 2022 model year GMC Yukon and Yukon XL vehicles. In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. Correction Dealers will inspect the rivet head formation on both the left and right side third row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. Parts Quantity Part Name Part No. 1 Buckle Kit 84779609 1 Buckle Kit 84779610 1 Buckle Kit 84779611 1 Buckle Kit 85116603 1 Buckle Kit 85116604 1 Buckle Kit 85116605 1 Buckle Kit 84779613 1 Buckle Kit 84779614 1 Buckle Kit 84779615 1 Buckle Kit 85116607 1 Buckle Kit 85116608 1 Buckle Kit 86780800 Note: Use the VIN and the GM Electronic Parts Catalog (EPC) to determine which part to order as they are color specific parts. These parts should not be ordered as shelf stock. It is estimated that only 3% of involved vehicles will require Seat Belt Buckle replacement. Please order parts accordingly. Reminder: Parts may be removed from Retail Inventory Management (RIM). Dealers should review the affected parts to confirm RIM managed status. Parts may have quantity limiters in effect. Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 2 of 10 Warranty Information Labor Operation Description Labor Time Trans. Type Net Item 9106434 Inspect Only – Vehicle Passed Inspection (No Further Action Required) 0.2 ZFAT N/A 9106470 Replace buckle that failed inspection (includes inspection) ADD: Replaced both 3rd Row Seat Belt Buckles 0.5 0.1 ZFAT N/A 9106468 Floor Plan Reimbursement – NEW INVENTORY ONLY N/A ZFAT * 9106469 Working Capital Assistance Program Reimbursement – USED INVENTORY ONLY N/A ZFAT ** Important: Please select the appropriate labor code when submitting the claim. 9106434 should only be used if the vehicle PASSED the inspection. Important: Buckle assemblies only have to fail one part of the inspection process to be considered failed and must be repaired with remedy parts. Note: To avoid having to “H” route the floor plan / WCAP transaction for approval, it must be submitted prior to the repair transaction. Floor Plan Reimbursement – NEW INVENTORY ONLY * USA & Canada Only – For vehicles eligible for floor plan reimbursement, the amount should be submitted in Net Item/Miscellaneous. This amount should represent the product of the vehicle’s average daily interest rate (see table below) multiplied by the actual number of days the vehicle was in dealer inventory and not available for sale. This reimbursement is limited to the number of days from the date of the stop delivery message (August 11, 2022) to the date the repair is completed, and the vehicle is ready for sale (not to exceed 72 days): Vehicle Floor Plan Reimbursement Amount USA Canada 2021 Cadillac Escalade $15.40 $ 14.76 2022 Cadillac Escalade $15.55 $ 14.96 2021 Cadillac Escalade ESV $15.99 $ 15.50 2022 Cadillac Escalade ESV $16.03 $ 15.39 2021 Chevrolet Suburban $10.62 $9.61 2022 Chevrolet Suburban $10.76 $ 11.41 2021 Chevrolet Tahoe $10.09 $ 9.03 2022 Chevrolet Tahoe $10.31 $ 10.60 2021 GMC Yukon $11.48 $ 9.65 2022 GMC Yukon $11.32 $ 10.71 2021 GMC Yukon XL $12.00 $ 9.73 2022 GMC Yukon XL $11.77 $ 10.96 Working Capital Assistance Program (WCAP) Reimbursement – USED INVENTORY ONLY Note: USA & Canada Only – To avoid having to “H” route the WCAP transaction for approval, it must be submitted prior to the repair transaction. Important: The WCAP ZSET transaction labor code, 9800096, provided in the dealer message sent on August 26, 2022 (USA) or August 26, 2022 (Canada), must have been submitted prior to the submittal of the ZFAT transaction labor code or the claim will reject. ** USA & Canada Dealers Only – For vehicles eligible under the Working Capital Assistance Program, the amount should be submitted in Net Item/Miscellaneous. This amount has been calculated to a daily value for the days that the vehicle was in used dealer inventory and not available for sale. This reimbursement is limited to the number of days from the date of the stop sale/stop delivery order (August 11, 2022) to the date the inspection or repair closed the recall bulletin. (not to exceed 72 days). Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 3 of 10 Vehicle Working Capital Assistance Reimbursement Amount USA Canada 2021 Cadillac Escalade $46.21 $ 56.52 2022 Cadillac Escalade $50.38 $ 58.65 2021 Cadillac Escalade ESV $46.40 $ 56.52 2022 Cadillac Escalade ESV $50.95 $ 58.48 2021 Chevrolet Suburban $31.98 $ 37.19 2022 Chevrolet Suburban $36.08 $ 40.13 2021 Chevrolet Tahoe $30.39 $ 37.15 2022 Chevrolet Tahoe $33.30 $ 40.17 2021 GMC Yukon $31.70 $ 37.77 2022 GMC Yukon $35.99 $ 41.02 2021 GMC Yukon XL $31.89 $ 39.17 2022 GMC Yukon XL $37.19 $ 42.69 Service Procedure 5598913 1. Disconnect the rear seatbelt mini-latch (1), if connected. 2. Lower the 3rd row seat backs to the folded position. Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 4 of 10 6142353 3. Manually raise the 3rd row seat backs (1) to a midpoint between folded and full upright. 4. Locate the 3rd row seatbelt buckles (2). 6140360 Important: If the vehicle does not pass inspection, the customer must be advised to not allow passengers to use the seating position that failed the inspection and the middle seating position until the seatbelt buckle assembly for that seat has been replaced. Note: Formed rivet heads may vary in shape. The critical component is that the rivet head is larger than the pin’s diameter which ensures the pin does not back out of the buckle. Inspect both sides of both buckles as the rivet head could be on either side of the buckle. 5. Inspect both driver and passenger side 3rd row seat belt buckles for the rivet head. A properly formed rivet head is shown as (2) in the above image. An unformed rivet head is shown as (1) in the above image. DO NOT mistake the pin head (3) for the rivet head (2), all buckles will have a pin head. • If both 3rd Row Seat Belt Buckles have the rivet head in place, proceed to step 6. • If the rivet head is not in place (1) on the passenger’s side, replace the 3rd Row Seat Belt Buckle (40 Percent and Center Buckle). Refer to 3rd Row Seat Belt Buckle Replacement (40 Percent and Center Buckle) in SI. Proceed to step 6. Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 5 of 10 • If the rivet head is not in place (1) on the driver’s side, replace the 3rd Row Seat Belt Buckle (60 Percent and Mini Buckle). Refer to 3rd Row Seat Belt Buckle Replacement (60 Percent and Mini Buckle) in SI. Proceed to step 9. 6142355 6. Locate the driver’s side 3rd row seatbelt buckle, shown above. 7. Grab the driver’s side 3rd row seatbelt buckle pin and push back and forth inspecting for the ability of the pin to be pushed out. 6175023 8. An unformed pin will move easily out of location and can be pushed through the assembly as shown above. • If pin cannot be pushed out, no further action is required for this buckle. Proceed to step 9. • If pin can be pushed out, replace the 3rd Row Seat Belt Buckle (60 Percent and Mini Buckle). Refer to 3rd Row Seat Belt Buckle Replacement (60 Percent and Mini Buckle) in SI. Proceed to step 9. Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 6 of 10 6142359 Note: If the passenger’s side 3rd row seatbelt buckle was replaced in step 5, steps 9-11 can be skipped. Proceed to step 12. 9. Locate the passenger’s side 3rd row seatbelt buckle, shown above. Note: A properly formed pin may move in a springing fashion with the spring assembly, this is ok. An unformed pin can be easily pushed flush to the seat belt assembly without this springing feeling. 10. Insert a screwdriver (1) between the passenger’s side 3rd row seatbelt buckle pin (2) and the seat frame (3) and push against the pin (2) inspecting for the ability of the rivet side of the pin to be moved flush to the buckle assembly. 6175028 11. An unformed pin will move easily, and the pin head will be able to contact the seat frame as shown above. • If the pin can’t be moved flush to the buckle assembly, no further action is required. Proceed to step 12. • If the pin can be moved flush to the buckle assembly, replace the 3rd Row Seat Belt Buckle (40 Percent and Center Buckle). Refer to 3rd Row Seat Belt Buckle Replacement (40 Percent and Center Buckle) in SI. Proceed to step 12. Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 7 of 10 12. Return the 3rd row seat backs to their original location. 5598913 13. If connected when vehicle arrived, connect the rear seatbelt mini-latch (1). Dealer Responsibility – For USA & Export (USA States, Territories, and Possessions) It is a violation of Federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or noncompliance is remedied. The US National Traffic and Motor Vehicle Safety Act provides that each vehicle that is subject to a recall of this type must be adequately repaired within a reasonable time after the customer has tendered it for repair. A failure to repair within sixty days after tender of a vehicle is prima facie evidence of failure to repair within a reasonable time. If the condition is not adequately repaired within a reasonable time, the customer may be entitled to an identical or reasonably equivalent vehicle at no charge or to a refund of the purchase price less a reasonable allowance for depreciation. To avoid having to provide these burdensome remedies, every effort must be made to promptly schedule an appointment with each customer and to repair their vehicle as soon as possible. In the recall notification letters, customers are told how to contact the US National Highway Traffic Safety Administration if the recall is not completed within a reasonable time. Dealer Responsibility – All All new, used, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc. in dealers’ possession and subject to this recall must be held and inspected/repaired per the service procedure of this bulletin before customers take possession of these vehicles. Involved vehicles must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration, or any other purpose. All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified and must be held and remedied per the service procedure in this bulletin. Upon submitting an accepted/paid warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified for sale within the CPOIS system, or once again be used in the CTP program. Dealers are to service all vehicles subject to this recall at no charge to customers, regardless of mileage, age of vehicle, or ownership, from this time forward. Customers who have recently purchased vehicles sold from your vehicle inventory, and for which there is no customer information indicated on the dealer listing, are to be contacted by the dealer. Arrangements are to be made to make the required correction according to the instructions contained in this bulletin. A copy of the customer letter is provided in this bulletin for your use in contacting customers. Recall follow-up cards should not be used for this purpose, since the customer may not as yet have received the notification letter. In summary, whenever a vehicle subject to this field action enters your vehicle inventory you must take the steps necessary to ensure the program correction has been made before selling the vehicle. In addition, for vehicles entering your facility for service, you are required to ensure the customer is aware of the open field action and make every reasonable effort to implement the program correction as set forth in this bulletin prior to releasing the vehicle. Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 8 of 10 Dealer Reports – For USA & Export For dealers with involved vehicles, a listing has been prepared and will be available through GM GlobalConnect Maxis Field Action Reports or sent directly to export dealers. The Inventory tab of the dealer reports will contain VINs that apply to this recall. This information is intended to assist dealers with the PROMPT COMPLETION of these vehicles. The Customer In-Service tab will contain customer names and addresses from Motor Vehicle Registration Records. The use of such motor vehicle registration data for any purpose other than follow-up necessary to complete this recall may be a violation of law in several states. Courtesy Transportation – For USA & Canada Courtesy transportation is available for customers whose vehicles are involved in a product program and still within the warranty coverage period. See General Motors Service Policies and Procedures Manual for courtesy transportation program details. Customer Notification USA & Canada – General Motors will notify customers of this recall on their vehicle (see copy of customer letter included with this bulletin). Export – Letters will be sent to known owners of record located within areas covered by the US National Traffic and Motor Vehicle Safety Act. For owners outside these areas, dealers should notify customers using the attached sample letter. GM bulletins are intended for use by professional technicians, NOT a “do-it-yourselfer”. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the tools, equipment, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your dealer for information on whether your vehicle may benefit from the information. We Support Voluntary Technician Certification Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 9 of 10 IMPORTANT SAFETY RECALL November 2022 This notice applies to your vehicle, VIN: _____________________________________ Dear General Motors Customer: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2021 and 2022 model year Cadillac Escalade, Cadillac Escalade ESV, Chevrolet Suburban, Chevrolet Tahoe, GMC Yukon and GMC Yukon XL vehicles. As a result, GM is conducting a safety recall. We apologize for this inconvenience. However, we are concerned about your safety and continued satisfaction with our products. IMPORTANT • Your vehicle is involved in GM safety recall N222372380. • Schedule an appointment with your GM dealer. • This service will be performed for you at no charge. • As a precaution, do not allow passengers to use the third-row seating positions in your vehicle until your dealer performs the recall inspection procedure. Why is your vehicle being recalled? In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. What will we do? Your GM dealer will inspect the rivet head formation on both the left and right side third-row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. This service will be performed for you at no charge. Because of service scheduling requirements, it is likely that your dealer will need your vehicle longer than the actual inspection and service correction time of approximately 45 minutes. What should you do? Do NOT use the third-row seating positions until the vehicle is inspected. You should contact your GM dealer to arrange a service appointment as soon as possible. Do you have questions? If you have any questions or concerns that your dealer is unable to resolve, please contact the appropriate Customer Assistance Center at the number listed below. For the hearing or speech impaired, please contact our Customer Assistance Center using the Telecommunication Relay Service by dialing 711 then providing the appropriate Customer Assistance Center number for your vehicle. Division Number Text Telephones (TTY) Cadillac 1-800-333-4223 711 / 1-800-833-2438 Chevrolet 1-800-222-1020 711 / 1-800-833-2438 GMC 1-800-462-8782 711 / 1-800-833-2438 Puerto Rico – English 1-866-467-9700 Puerto Rico – Español 1-866-467-9700 Virgin Islands 1-866-467-9700 If after contacting your dealer and the Customer Assistance Center, you are still not satisfied we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590, or call the toll-free Product Safety Recall N222372380 Third Row Seatbelt Buckle Retention Page 10 of 10 Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to http://www.nhtsa.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 22V617. Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. Regina A. Carto Vice President Global Product Safety and Systems GM Recall: N222372380

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IMPORTANT SAFETY RECALL November 2022 This notice applies to your vehicle, VIN: _____________________________________ Dear General Motors Customer: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2021 and 2022 model year Cadillac Escalade, Cadillac Escalade ESV, Chevrolet Suburban, Chevrolet Tahoe, GMC Yukon and GMC Yukon XL vehicles. As a result, GM is conducting a safety recall. We apologize for this inconvenience. However, we are concerned about your safety and continued satisfaction with our products. IMPORTANT • Your vehicle is involved in GM safety recall N222372380. • Schedule an appointment with your GM dealer. • This service will be performed for you at no charge. • As a precaution, do not allow passengers to use the third-row seating positions in your vehicle until your dealer performs the recall inspection procedure. Why is your vehicle being recalled? In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. What will we do? Your GM dealer will inspect the rivet head formation on both the left and right side third-row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. This service will be performed for you at no charge. Because of service scheduling requirements, it is likely that your dealer will need your vehicle longer than the actual inspection and service correction time of approximately 45 minutes. What should you do? Do NOT use the third-row seating positions until the vehicle is inspected. You should contact your GM dealer to arrange a service appointment as soon as possible. Do you have questions? If you have any questions or concerns that your dealer is unable to resolve, please contact the appropriate Customer Assistance Center at the number listed below. For the hearing or speech impaired, please contact our Customer Assistance Center using the Telecommunication Relay Service by dialing 711 then providing the appropriate Customer Assistance Center number for your vehicle. Division Number Text Telephones (TTY) Cadillac 1-800-333-4223 711 / 1-800-833-2438 Chevrolet 1-800-222-1020 711 / 1-800-833-2438 GMC 1-800-462-8782 711 / 1-800-833-2438 Puerto Rico – English 1-866-467-9700 Puerto Rico – Español 1-866-467-9700 Virgin Islands 1-866-467-9700 If after contacting your dealer and the Customer Assistance Center, you are still not satisfied we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590, or call the toll-free Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to http://www.nhtsa.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 22V617. Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. Regina A. Carto Vice President Global Product Safety and Systems GM Recall: N222372380

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GLOBAL SAFETY FIELD INVESTIGATIONS DCS6239 URGENT – DISTRIBUTE IMMEDIATELY Date: August 11, 2022 Subject: N222372380 – Upcoming Safety Recall Third Row Seatbelt Buckle Retention Models: 2021 – 2022 Cadillac Escalade/Escalade ESV 2021 – 2022 Chevrolet Suburban 2021 – 2022 Chevrolet Tahoe 2021 – 2022 GMC Yukon/Yukon XL To: All General Motors Dealers General Motors is releasing Upcoming Safety Recall N222372380 today with an interim inspection. The total number of U.S. vehicles involved is approximately 483,641. Please see the attached bulletin for details. The parts needed to complete the required repair are not yet available. All VINs will be placed in Incomplete Remedy Not Available status. This bulletin contains an inspection procedure for both dealer inventory and customer vehicles. It is estimated that a very small percentage of the involved vehicles will fail the inspection and require part replacement. Vehicles (both dealer inventory and customer owned) that pass this inspection procedure should be closed using the “Inspect Only – Vehicle Passed Inspection (No Further Action Required)” labor code 9106434. Vehicles in dealer inventory: Vehicles in dealer inventory that do not pass the inspection procedure contained in this bulletin cannot be sold or delivered to the customer. When the required parts become available, a revision will be made to this bulletin, at which time those vehicles can be repaired, closed, and delivered. Floor plan/WCAP reimbursement will also be added for vehicles which did not pass the inspection procedure. All involved vehicles that are in dealer inventory must be held and not delivered to customers, dealer traded, or used for demonstration purposes unless the vehicle has passed the inspection procedure contained in this bulletin. Customer-owned vehicles: If a customer-owned vehicle passes the inspection procedure contained in this bulletin, the customer should be advised that their vehicle has passed and there is no need to return their vehicle to the dealership for service under this recall. If the vehicle does not pass the inspection procedure, advise the customer to not allow passengers to use the seating position that failed the inspection until the seatbelt buckle assembly for that seat has been replaced. Further advise the customer that GM is working to obtain the parts necessary to complete the recall repairs and will send the customer a letter when parts are available. Question and Answer Document (Q&A) Attached to this message you will find a document that addresses the ten most likely questions customers may have regarding this Safety Recall. Please use this information as an aid to confidently answer customer concerns. We are working with the supplier to obtain the required parts as quickly as possible. When a sufficient quantity of parts is available, the recall bulletin will be updated and dealers can begin repairing vehicles that did not pass the initial inspection. Global Warranty Management (GWM) The Required Field Action section on the Investigate Vehicle History (IVH) screen will be updated August 11, 2022. A list of vehicles in dealer inventory is attached to this message. Please hold all warranty transactions until IVH has been updated. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS

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GLOBAL SAFETY FIELD INVESTIGATIONS DCS6249 URGENT – DISTRIBUTE IMMEDIATELY Date: August 16, 2022 Subject: REVISION: N222372380-01 – Safety Recall Third Row Seatbelt Buckle Retention Revised Inspection Procedure Models: 2021 – 2022 Cadillac Escalade / Escalade ESV 2021 – 2022 Chevrolet Suburban 2021 – 2022 Chevrolet Tahoe 2021 – 2022 GMC Yukon/Yukon XL To: All General Motors Dealers This bulletin is being revised to update the inspection procedure. Please discard all previous copies of N222372380. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS

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GM CUSTOMER CARE AND AFTERSALES DCS6262 URGENT – DISTRIBUTE IMMEDIATELY Date: August 26, 2022 Subject: N222372380 – Safety Recall Third Row Seatbelt Buckle Retention Application for Used Vehicle Working Capital Assistance Program (WCAP) Models: 2021 – 2022 Cadillac Escalade/Escalade ESV 2021 – 2022 Chevrolet Suburban 2021 – 2022 Chevrolet Tahoe 2021 – 2022 GMC Yukon/Yukon XL To: All General Motors Dealers On August 11, 2022, GM sent to all GM dealers GlobalConnect Message GCUS-3-2600 regarding safety recall N222372380. The final repair to complete this recall is not yet available. Until further instructions are received, the involved vehicles that did not pass the inspection and are in dealers’ possession (new or used vehicle inventory, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc.) must be held and cannot be delivered to customers, dealer-traded, released to auction, used for demonstration purposes or put to any other use. This message is to inform dealers who have involved vehicles that did not pass inspection in their inventory that they can now apply for the used vehicle Working Capital Assistance Program (“WCAP”) for safety recall N222372380. Before proceeding with the application process described below, dealers must verify vehicle eligibility based on the program terms and guidelines that were provided in GM GlobalConnect Message GCUS-9-10968 dated March 10, 2021. Applications submitted on ineligible vehicles are subject to chargeback of any incentives paid to the dealer under the WCAP. Because compensation and tracking requires visibility into dealers’ inventory, dealers must also have agreed to a Dealer Data Share agreement with GM in order to receive any compensation under this program. To apply for the WCAP for safety recall N222372380, dealers must access the GM Global Warranty Management (GWM) system and submit a “ZSET” warranty transaction using the labor code provided below for each eligible vehicle. This zero dollar special transaction type is the dealer’s application for compensation and constitutes a representation from the dealer that the vehicle is eligible for WCAP assistance. Note: Acceptance of the warranty transaction does not ensure vehicle eligibility or guarantee the provision of any assistance as defined by program terms and guidelines. Labor Code Description Labor Time Trans Code 9800096 Working Capital Assistance for Safety Recall N222372380 N/A ZSET To be eligible for the WCAP, a vehicle must be in dealer inventory at the time the related field action bulletin is released. If a vehicle has been delivered, wholesaled or otherwise disposed of prior to release of the bulletin, the vehicle is not eligible for assistance. Additionally, recalled vehicles taken in on trade may be eligible for assistance if the dealer immediately reports the vehicle in used vehicle inventory via its Dealer Management System (DMS) and makes application through the GWM system. To ensure that GM is receiving daily inventory information, which is necessary to process payments and make eligibility determinations under the WCAP, the dealer’s vehicles must be properly identified in the dealership’s DMS. A daily feed of this information is provided to GM through the Dealer Data Share (DDS) agreement. Beginning with the 1st quarter of 2019, all WCAP payments will be facilitated through the Global Warranty Management (GWM) system. For each eligible vehicle, a qualifying dealer will submit for WCAP vehicle enrollment with a “ZSET” transaction type and for reimbursement with a “ZFAT” transaction type both through the GWM system. If approved, a WCAP credit for that vehicle will be issued through the GWM system similar to any other warranty credit. WCAP submission instructions and the required labor code will also be provided in the appropriate field action bulletin. Each WCAP transaction being credited will be clearly identified on the dealer’s daily credit memo. In order to receive payment, a dealer must have timely reported the vehicle in used vehicle inventory, retained the vehicle until the related field action bulletin is released, and properly applied for the WCAP payment. The vehicle must also be otherwise eligible under WCAP rules and guidelines. GM reserves the right to amend, modify, terminate, or cancel this program at any time in its sole discretion. END OF MESSAGE GM CUSTOMER CARE AND AFTERSALES

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GLOBAL SAFETY FIELD INVESTIGATIONS DCS6315 URGENT – DISTRIBUTE IMMEDIATELY Date: October 19, 2022 Subject: REVISION: N222372380-02 – Safety Recall Third Row Seatbelt Buckle Retention Revised Service Procedure and Customer Letter Added Models: 2021 – 2022 Cadillac Escalade / Escalade ESV 2021 – 2022 Chevrolet Suburban 2021 – 2022 Chevrolet Tahoe 2021 – 2022 GMC Yukon/Yukon XL To: All General Motors Dealers This bulletin is being revised to add the final repair service procedure and the customer letter. Please discard all previous copies of N222372380. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-617 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : General Motors, LLC Submission Date : SEP 12, 2022 NHTSA Recall No. : 22V-617 Manufacturer Recall No. : N222372380 Manufacturer Information : Manufacturer Name : General Motors, LLC Address : 29427 Louis Chevrolet Road MAIL CODE 480-210-2V WARREN MI 48093 Company phone : 586-596-1733 Population : Number of potentially involved : 484,155 Estimated percentage with defect : 2 % Vehicle Information : Vehicle 1 : 2021-2022 Cadillac Escalade Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. There are 41,636 Cadillac Escalade vehicles included in this recall. Production Dates : MAR 16, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2021-2022 Cadillac Escalade ESV Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. There are 25,158 Cadillac Escalade ESV vehicles included in this recall. Production Dates : JUN 24, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-617 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2022 Chevrolet Suburban Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 84,338 Chevrolet Suburban vehicles included in this recall. Production Dates : JAN 06, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2021-2022 Chevrolet Tahoe Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 176,981 Chevrolet Tahoe vehicles included in this recall. Production Dates : NOV 11, 2019 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2022 GMC Yukon Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 97,436 GMC Yukon vehicles included in this recall. Production Dates : NOV 12, 2019 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-617 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 6 : 2021-2022 GMC Yukon XL Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 58,606 GMC Yukon XL vehicles included in this recall. Production Dates : JAN 06, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : General Motors has decided that a defect which relates to motor vehicle safety may exist in certain 2021 – 2022 model year Cadillac Escalade and Escalade ESV vehicles, 2021 – 2022 model year Chevrolet Suburban and Tahoe vehicles, and 2021 – 2022 model year GMC Yukon and Yukon XL vehicles. In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. Description of the Cause : Operators at the supplier’s manufacturing plant may have not properly followed manufacturing processes and inadvertently missed the rivet forming operation. Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : BUCKLE ASM-3RD ROW SEAT BELT Component Description : Third-Row Seatbelt Buckle Assembly Component Part Number : 84255155, 84255156 Part 573 Safety Recall Report 22V-617 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Supplier Identification : Component Manufacturer Name : ZF Occupant Safety Systems Address : Industrial Park Connectivity Zone Gomez Palacio, Durango Foreign States 35024 Country : Mexico Chronology : On May 14, 2022, a GM dealership received a customer report of a third-row seatbelt buckle assembly that separated in a 2021 Chevrolet Suburban. GM’s District Service Manager submitted the issue to GM’s Speak Up For Safety program on May 18, 2022, and GM opened a formal investigation on May 31, 2022. GM’s field data analysis identified seven additional field reports potentially related to this condition. Those reports were received by GM between October 2020 and June 2022. GM is not aware of any accidents or injuries related to this condition. GM’s investigation determined that operators at the seatbelt buckle assembly supplier’s manufacturing plant may have not properly followed manufacturing processes and inadvertently missed the rivet forming operation. On July 11, 2022, GM’s investigator met with the seatbelt buckle assembly supplier to determine the scope of potentially affected parts. On August 4, 2022, GM’s Safety Field Action Decision Authority (SFADA) decided to conduct a safety recall. Description of Remedy : Description of Remedy Program : Dealers will inspect the rivet head formation on both the left and right side third row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. Pursuant to 49 C.F.R. § 573.13(d)(1), all covered vehicles are under warranty, so reimbursement is not offered. How Remedy Component Differs from Recalled Component : Replacement seatbelt buckle assemblies were produced outside of the supplier’s suspect window or were inspected and confirmed to have proper formation of the rivet. Identify How/When Recall Condition was Corrected in Production : GM’s supplier initiated containment efforts on May 18, 2022 and revised their manufacturing process to add optical scan confirmation of the rivet head formation on July 1, 2022. Containment efforts were initiated at GM’s assembly plant on May 25, 2022. Recall Schedule : Description of Recall Schedule : Dealers will be notified on August 11, 2022. GM estimates owner interim Part 573 Safety Recall Report 22V-617 Page 5 The information contained in this report was submitted pursuant to 49 CFR §573 notification will occur on September 22, 2022. GM will provide an estimate for owner remedy notification when available. Planned Dealer Notification Date : AUG 11, 2022 – AUG 11, 2022 Planned Owner Notification Date : SEP 22, 2022 – SEP 22, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-617 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : General Motors, LLC Submission Date : AUG 11, 2022 NHTSA Recall No. : 22V-617 Manufacturer Recall No. : N222372380 Manufacturer Information : Manufacturer Name : General Motors, LLC Address : 29427 Louis Chevrolet Road MAIL CODE 480-210-2V WARREN MI 48093 Company phone : 586-596-1733 Population : Number of potentially involved : 484,155 Estimated percentage with defect : 2 % Vehicle Information : Vehicle 1 : 2021-2022 Cadillac Escalade Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. There are 41,636 Cadillac Escalade vehicles included in this recall. Production Dates : MAR 16, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2021-2022 Cadillac Escalade ESV Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. There are 25,158 Cadillac Escalade ESV vehicles included in this recall. Production Dates : JUN 24, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-617 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2022 Chevrolet Suburban Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 84,338 Chevrolet Suburban vehicles included in this recall. Production Dates : JAN 06, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2021-2022 Chevrolet Tahoe Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 176,981 Chevrolet Tahoe vehicles included in this recall. Production Dates : NOV 11, 2019 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2022 GMC Yukon Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 97,436 GMC Yukon vehicles included in this recall. Production Dates : NOV 12, 2019 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-617 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 6 : 2021-2022 GMC Yukon XL Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 58,606 GMC Yukon XL vehicles included in this recall. Production Dates : JAN 06, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : General Motors has decided that a defect which relates to motor vehicle safety may exist in certain 2021 – 2022 model year Cadillac Escalade and Escalade ESV vehicles, 2021 – 2022 model year Chevrolet Suburban and Tahoe vehicles, and 2021 – 2022 model year GMC Yukon and Yukon XL vehicles. In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. Description of the Cause : Operators at the supplier’s manufacturing plant may have not properly followed manufacturing processes and inadvertently missed the rivet forming operation. Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : BUCKLE ASM-3RD ROW SEAT BELT Component Description : Third-Row Seatbelt Buckle Assembly Component Part Number : 84255155, 84255156 Part 573 Safety Recall Report 22V-617 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Supplier Identification : Component Manufacturer Name : ZF Occupant Safety Systems Address : Industrial Park Connectivity Zone Gomez Palacio, Durango Foreign States 35024 Country : Mexico Chronology : On May 14, 2022, a GM dealership received a customer report of a third-row seatbelt buckle assembly that separated in a 2021 Chevrolet Suburban. GM’s District Service Manager submitted the issue to GM’s Speak Up For Safety program on May 18, 2022, and GM opened a formal investigation on May 31, 2022. GM’s field data analysis identified seven additional field reports potentially related to this condition. Those reports were received by GM between October 2020 and June 2022. GM is not aware of any accidents or injuries related to this condition. GM’s investigation determined that operators at the seatbelt buckle assembly supplier’s manufacturing plant may have not properly followed manufacturing processes and inadvertently missed the rivet forming operation. On July 11, 2022, GM’s investigator met with the seatbelt buckle assembly supplier to determine the scope of potentially affected parts. On August 4, 2022, GM’s Safety Field Action Decision Authority (SFADA) decided to conduct a safety recall. Description of Remedy : Description of Remedy Program : Dealers will inspect the rivet head formation on both the left and right side third row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. Pursuant to 49 C.F.R. § 573.13(d)(1), all covered vehicles are under warranty, so reimbursement is not offered. How Remedy Component Differs from Recalled Component : Replacement seatbelt buckle assemblies were produced outside of the supplier’s suspect window or were inspected and confirmed to have proper formation of the rivet. Identify How/When Recall Condition was Corrected in Production : GM’s supplier initiated containment efforts on May 18, 2022 and revised their manufacturing process to add optical scan confirmation of the rivet head formation on July 1, 2022. Containment efforts were initiated at GM’s assembly plant on May 25, 2022. Recall Schedule : Description of Recall Schedule : Dealers will be notified on August 11, 2022. GM estimates owner notification will begin on September 26, 2022. Part 573 Safety Recall Report 22V-617 Page 5 The information contained in this report was submitted pursuant to 49 CFR §573 Planned Dealer Notification Date : AUG 11, 2022 – AUG 11, 2022 Planned Owner Notification Date : SEP 26, 2022 – SEP 26, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-617 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : General Motors, LLC Submission Date : OCT 14, 2022 NHTSA Recall No. : 22V-617 Manufacturer Recall No. : N222372380 Manufacturer Information : Manufacturer Name : General Motors, LLC Address : 29427 Louis Chevrolet Road MAIL CODE 480-210-2V WARREN MI 48093 Company phone : 586-596-1733 Population : Number of potentially involved : 484,155 Estimated percentage with defect : 2 % Vehicle Information : Vehicle 1 : 2021-2022 Cadillac Escalade Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. There are 41,636 Cadillac Escalade vehicles included in this recall. Production Dates : MAR 16, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2021-2022 Cadillac Escalade ESV Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. There are 25,158 Cadillac Escalade ESV vehicles included in this recall. Production Dates : JUN 24, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-617 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2022 GMC Yukon XL Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 58,606 GMC Yukon XL vehicles included in this recall. Production Dates : JAN 06, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2021-2022 Chevrolet Tahoe Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 176,981 Chevrolet Tahoe vehicles included in this recall. Production Dates : NOV 11, 2019 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2021-2022 GMC Yukon Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 97,436 GMC Yukon vehicles included in this recall. Production Dates : NOV 12, 2019 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-617 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 6 : 2021-2022 Chevrolet Suburban Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the affected population. Vehicles without third-row seating are not affected by this recall. There are 84,338 Chevrolet Suburban vehicles included in this recall. Production Dates : JAN 06, 2020 – MAY 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : General Motors has decided that a defect which relates to motor vehicle safety may exist in certain 2021 – 2022 model year Cadillac Escalade and Escalade ESV vehicles, 2021 – 2022 model year Chevrolet Suburban and Tahoe vehicles, and 2021 – 2022 model year GMC Yukon and Yukon XL vehicles. In certain of these vehicles, the rivet that retains the buckle to the mounting bracket in the left or right side third-row seatbelt buckle assembly may not have been properly formed during the manufacturing process. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the third-row seatbelt assembly is not properly riveted, it may not properly restrain occupants in a crash, increasing the risk of injury. Description of the Cause : Operators at the supplier’s manufacturing plant may have not properly followed manufacturing processes and inadvertently missed the rivet forming operation. Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : BUCKLE ASM-3RD ROW SEAT BELT Component Description : Third-Row Seatbelt Buckle Assembly Component Part Number : 84255155, 84255156 Part 573 Safety Recall Report 22V-617 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Supplier Identification : Component Manufacturer Name : ZF Occupant Safety Systems Address : Industrial Park Connectivity Zone Gomez Palacio, Durango Foreign States 35024 Country : Mexico Chronology : On May 14, 2022, a GM dealership received a customer report of a third-row seatbelt buckle assembly that separated in a 2021 Chevrolet Suburban. GM’s District Service Manager submitted the issue to GM’s Speak Up For Safety program on May 18, 2022, and GM opened a formal investigation on May 31, 2022. GM’s field data analysis identified seven additional field reports potentially related to this condition. Those reports were received by GM between October 2020 and June 2022. GM is not aware of any accidents or injuries related to this condition. GM’s investigation determined that operators at the seatbelt buckle assembly supplier’s manufacturing plant may have not properly followed manufacturing processes and inadvertently missed the rivet forming operation. On July 11, 2022, GM’s investigator met with the seatbelt buckle assembly supplier to determine the scope of potentially affected parts. On August 4, 2022, GM’s Safety Field Action Decision Authority (SFADA) decided to conduct a safety recall. Description of Remedy : Description of Remedy Program : Dealers will inspect the rivet head formation on both the left and right side third row seatbelt buckle assemblies and replace seatbelt buckle assemblies as necessary. Pursuant to 49 C.F.R. § 573.13(d)(1), all covered vehicles are under warranty, so reimbursement is not offered. How Remedy Component Differs from Recalled Component : Replacement seatbelt buckle assemblies were produced outside of the supplier’s suspect window or were inspected and confirmed to have proper formation of the rivet. Identify How/When Recall Condition was Corrected in Production : GM’s supplier initiated containment efforts on May 18, 2022 and revised their manufacturing process to add optical scan confirmation of the rivet head formation on July 1, 2022. Containment efforts were initiated at GM’s assembly plant on May 25, 2022. Recall Schedule : Description of Recall Schedule : Dealers will be notified on August 11, 2022. Owner interim notification mailed September 28 through October 6, 2022. Owner notification of an Part 573 Safety Recall Report 22V-617 Page 5 The information contained in this report was submitted pursuant to 49 CFR §573 available remedy is expected to mail November 1, 2022 through November 22, 20222. Planned Dealer Notification Date : AUG 11, 2022 – AUG 11, 2022 Planned Owner Notification Date : NOV 01, 2022 – NOV 22, 2022 * NR – Not Reported

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