Phone
See also:
Protecting Exterior Bright Metal Parts
Regularly clean bright metal parts with water or chrome polish on chrome or stainless steel trim, if necessary.
For aluminum, never use auto or chrome polish, steam, or caustic soap to clean. A coati ...
Tips and Troubleshooting Chart
Problem
Recommended Action
There is no power.
The ignition might not be turned to ON/RUN or ACC/ ACCESSORY.
The picture does not fill the screen. There are black bor ...
Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service.
Get subscription plan pricing and sign up for OnStar Vehicle Diagnos ...





