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 on page 14‑1 for more information.

    See also:

    Door Ajar Messages
    DRIVER DOOR OPEN This message displays and a chime may sound if the driver door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstr ...

    Finding a Category (CAT) Station
    To find XM channels in a category: 1. Press the CAT button to display the category tabs. Continue pressing the CAT button until the desired category name displays. • Radios with CD and DVD can als ...

    Maintenance Replacement Parts
    Replacement parts identified below by name, part number, or specification can be obtained from your dealer. If your vehicle has a diesel engine, see the Duramax diesel supplement for more informa ...