OnStar Services

See also:

Radio Reception
Frequency interference and static can occur during normal radio reception if items such as cell phone chargers, vehicle convenience accessories, and external electronic devices are plugged into th ...

Instrument Panel Illumination Control
The brightness of the instrument panel lights and steering wheel controls can be adjusted. (Instrument Panel Brightness): Move and hold the thumbwheel up or down to brighten or dim the lights ...

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