See also:

Manual Mode
Driver Shift Control (DSC) The vehicle has Driver Shift Control (DSC). DSC controls the vehicle's transmission and vehicle speed while driving down hill or towing a trailer by allowing you to ...

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 ...

Scheduling Service Appointments (U.S. and Canada)
When the vehicle requires warranty service, contact your dealer and request an appointment. By scheduling a service appointment and advising the service consultant of your transportation ne ...