See also:

Reporting Safety Defects to the Canadian Government
If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call Transport Canada at 1-80 ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

Finding a Category (CAT) Station (XM™ Satellite Radio Service Only)
CAT (Category): The radio may have the CAT button feature. To select and find a desired category: 1. Press the BAND button until the XM frequency displays. Press the CAT button to display the c ...