See also:

Headlamp Aiming
The vehicle has a visual optical headlamp aiming system. The aim has been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a crash, the headl ...

Reading Lamps
There are reading lamps located on the overhead console and over the rear passenger doors. These lamps come on automatically when any door is opened. To manually turn the reading lamps on or off: ...

Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...