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:

    Ignition Positions (Keyless Access)
    The ignition control knob can be turned to four different positions. To shift out of P (Park), the ignition must be in ON/RUN or ACC/ACCESSORY and the regular brake pedal must be applied. ...

    Delayed Locking
    With this feature, you can delay the actual locking of the doors. When the power door lock switch is pressed when the key is not in the ignition and the driver door is opened, a chime will so ...

    Transmission Messages
    SERVICE TRANSMISSION This message displays if there is a problem with the transmission. See your dealer. SHIFT DENIED This message displays when using the Driver Shift Control (DSC) and a ...