OnStar Services

See also:

Dome Lamps
The dome lamps will come on when you open a door unless the dome lamp override is pressed in. ...

Windshield and Wiper Blades
Clean the outside of the windshield with glass cleaner. Clean rubber blades using lint-free cloth or paper towel soaked with windshield washer fluid or a mild detergent. Wash the windshield thoroug ...

Fog Lamps
Fog Lamps For vehicles with fog lamps, the button is located on the exterior lamp control, left of the steering wheel. To turn on the fog lamps, the ignition and the headlamps or parking l ...