See also:

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow. If stuck too severely for the traction system to free the vehicle, turn the traction system off and us ...

Vehicle Personalization
Some vehicle features can be programmed by using the audio system controls. These features include: ► Climate and Air Quality ► Comfort and Convenience ► Collision/Detection Sys ...