Two problems related to headlights have been reported for the 2018 GMC Sierra. The most recently reported issues are listed below.
Tl- the contact owns a 2018 GMC Sierra denali. The contact stated that both front headlights on truck vibrate and bounce, especially the passenger side. The contact stated when driving on a rough road it makes it difficult to see the road, in addition when incoming traffic is coming from opposite direction it makes it difficult to see the road. The vehicle was taken to the murdock manhattan Chevrolet-Cadillac located at (600 mccall rd, manhattan, KS 66502 (785) 783-0639) where vehicle was diagnosed and inform there was not a problem with headlights. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was open. The failure mileage was approximately 6,181. As.
Tl the contact owns a 2018 GMC Sierra denali. While driving various speeds, the headlights moved when driving over a bump in the road. The vehicle was taken to whitaker Buick GMC (131 19th st sw, forest lake, mn 55025, (651) 464-5612) and mccarthy auto world (3350 129th Ave NW, coon rapids, mn 55448, (763) 210-4576) and was informed that the headlights were operating as designed. The contact notified the manufacturer of the failure and a case was opened. The approximate failure mileage was 200.
| Headlights problems | |
| Exterior Lighting problems |