DRLs or Auto Headlights Will Not Disable with Headlamp Switch – 2003-2019 Cadillac Chevrolet GMC
NHTSA ID Number: 10161011 Manufacturer Communication Number: PIT3219F Summary This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL’s) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with … Read more