NHTSA ID Number: 10116593
Manufacturer Communication Number: 16-NA-016
Summary
This technical bulletin provides repair information to correct a customer concern of the rear 60% seatback locked in the down position when folded, and will not return to upright position.
8 Affected Products
Vehicles
SEOCONTENT-START
Rear 60% Seatback Locked in Down Position When Folded, Will Not Return to Upright Position – (Feb 22, 2017)
| Subject: | Rear 60% Seatback Locked in Down Position When Folded, Will Not Return to Upright Position |
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | ||
|---|---|---|---|---|---|---|---|
| from | to | from | to | ||||
| Buick |
Encore | 2013 | 2016 | All | All | ||
| Chevrolet |
Trax | 2013 | 2016 | ||||
| Involved Region or Country | North America |
| Condition |
Some customers may comment that after folding the 60% seatback, it is locked in the down position and will not return to upright. |
| Cause | The cause of the condition may be a broken or missing seat belt button/stop on the rear center seat shoulder belt and/or a broken seat belt bezel.
![]() When the front seat is all the way back and the rear 60% seatback is lowered, the added weight of the front occupant puts extra pressure on the seat belt bezel (1) and button/stop (2). This may allow the seat belt to fully retract past the stop, and the retractor may lock because there is not enough seat belt slack to unlock the retractor. |
Correction
DO NOT replace the shoulder belt assembly for this condition until first attempting to disengage the locking mechanism by following the recommendation listed below.
Recommendation
Pull hard on the locked webbing and then release. The hard pull extracts a small amount of webbing from the retractor which, in turn, permits a small amount of retraction to occur when released. This is all that is needed to disengage the locking mechanism. The safety belt will now function properly.
In cases where the locking mechanism will not disengage, cut the shoulder belt and replace the shoulder belt assembly as directed in the Service Procedure below.
Service Procedure

Release the 60% seatback by carefully cutting the rear center seat belt, then replace the rear seat center shoulder belt assembly. Easier access to the seat belt can be attained from the passenger side of the vehicle.

Replace the rear seat center shoulder belt assembly (1). Refer to Rear Seat Center Shoulder Belt Replacement in SI.
Parts Information
Note: Use the vehicle identification number (VIN), SI, and the GM Electronic Parts Catalog to determine the proper rear seat center shoulder belt kit to order.
Warranty Information
For vehicles repaired under warranty, use:
| Labor Operation | Description | Labor Time |
| 6440700 | Rear Seat Center Shoulder Belt Replacement | Use Published Labor Operation Time |
| Version | 5 |
| Modified | Feb. 1, 2016 โ Updated the Correction information and added a Recommendation.
March 17, 2016 โ Adding the Trax and Mokka models. Nov. 9, 2016 โ Adding the 2015 and 2016 Model Years. Feb. 22, 2017 โ Removing the Opel Mokka model and adding Involved Region or Country section. |
SEOCONTENT-END
Bulletin No.: 16-NA-016
Date: Feb-2017
To View or Download this Document Click Here
Bulletin No.: 16-NA-016
Date: Nov-2016
To View or Download this Document Click Here
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