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 1-800-333-05 ...

Lumbar Adjustment
If available, hold the control on the outboard side of the seat forward or rearward to increase or decrease the lumbar support on the driver or front passenger seat. A. Side Bolster Adjus ...

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview. ...