OnStar Services
See also:
Tips and Troubleshooting Chart
Problem
Recommended Action
No power.
The ignition might not be turned to ON/RUN or ACC/ ACCESSORY.
The picture does not fill the screen. There are black
borders on t ...
Courtesy Transportation Program
To enhance your ownership experience, we and our participating dealers are proud
to offer Courtesy Transportation, a customer support program for vehicles with the
Bumper-to-Bumper (Base Warranty ...
Radio Reception
Frequency interference and static can occur during normal radio reception if items such as cellular phone chargers, vehicle convenience accessories, and external electronic devices are plugged into th ...
