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:

    Ending a Call
    Turn or press the MENU/SELECT knob and select Hang Up. ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

    Chime Volume
    This feature allows you to select the volume level of the chime. Press the customization button until Chime Volume appears on the DIC display. Press the set/reset button once to access the se ...