See also:

Exterior Lighting
The exterior lamp control is located on the instrument panel to the left of the steering wheel. : Turns off the exterior lamps. AUTO: Automatic operation of the headlamps and other exteri ...

Ultrasonic Parking Assist
For vehicles with this feature, it uses sensors on the rear bumper to detect objects while parking the vehicle. It operates at speeds less than 8 km/h (5 mph) while in R (Reverse). URPA uses aud ...

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 ...