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.

    See also:

    Power Mirrors
    Premium Trim Shown, Up-Level Similar ...

    REPLACE BATTERY IN REMOTE KEY
    This message displays when the battery in the Remote Keyless Entry (RKE) or keyless access transmitter needs to be replaced. To replace the battery, see Battery Replacement under Remote K ...

    Driving on Grades
    Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get hot and n ...