OnStar Services

See also:

Magnetic Ride Control™
The vehicle may have Magnetic Ride Control that automatically adjusts the ride of the vehicle. The controller receives input from the system to determine the proper ride. If the controller detec ...

Wheels and Trim—Aluminum or Chrome
The vehicle may have either aluminum or chrome-plated wheels. Keep the wheels clean using a soft, clean cloth with mild soap and water. Rinse with clean water. After rinsing thoroughly, dry with a so ...

Service Publications Ordering Information
Service Manuals Service Manuals have the diagnosis and repair information on engines, transmission, axle suspension, brakes, electrical, steering, body, etc. Service Bulletins Service Bulletins ...