Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    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 1-800-333-0 ...

    Transmission Messages
    MANUAL SHIFT This message displays when the automatic transmission is in manual mode. See Manual Mode   for more information. TRANSMISSION HOT IDLE ENGINE Notice: Do not drive the vehic ...

    Control of a Vehicle
    Braking, steering, and accelerating are important factors in helping to control a vehicle while driving. ...