See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Exterior Lamp Controls
The exterior lamp control is located on the instrument panel on the outboard side of the steering wheel. Turn the control to the following positions: (Off): Turns off the exterior lamps. The ...

Exterior Lamp Controls
The exterior lamp control is located to the left of the steering column on the instrument panel. It controls the following systems: Headlamps Taillamps Parking Lamps License Plate Lamps ...