Table 1 shows one common exterior lighting related problems of the 2021 GMC Sierra 1500.
| Problem Category | Number of Problems |
|---|---|
| Exterior Lighting problems |
During winter/snow driving snow accumulates on the headlights and causes a partial to total loss of visibility. This has happened multiple times during winter months. Cleaning the headlights requires exiting the vehicle in a potentially dangerous situation. This may occur after every few miles or less depending on the conditions.