See also:

Additional Maintenance and Care
Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required. It is ...

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 ...

Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...