OnStar Services

See also:

Cleaning Exterior Lamps/Lenses
Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under Washing Your Vehicle. ...

Exterior Lighting Battery Saver
If the exterior lamp button has been left on, the exterior lamps will turn off about 10 minutes after the ignition is turned to LOCK/OFF and a door has been opened. This protects against drainin ...

Steering Wheel Adjustment
To adjust the steering wheel: 1. Pull the lever down. 2. Move the steering wheel up, down, forward, and backward. 3. Pull the lever up to lock the steering wheel in place. Do not adjust the stee ...