See also:

Exterior Lighting
The exterior lamp control is located to the left of the steering column on the instrument panel. : Briefly turn to this position to turn the automatic lamp control off or on again. AUTO: Turn ...

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 ...

Immobilizer Operation (Key Access)
This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the key is removed from the igniti ...