One problem related to exterior lighting has 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 while driving at night, the headlamps failed to adequately illuminate the roadway. The vehicle was taken to murdock Chevrolet Buick GMC Cadillac located at (1955 main st, logan, ut 84341, (888) 470-5760) where the technician attempted to adjust the headlamps however, the headlamps were already adjusted to specs. The contact stated that there was no improvement in visibility while shifting from low beam to hi beam. The vehicle was not repaired. The manufacturer was notified of the failure. The contact requested that the vehicle be bought back by the manufacturer and the manufacturer refused. The approximate failure mileage was 4,000.
| Headlights problems | |
| Exterior Lighting problems |