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 for more information.

    See also:

    3.6L V6 Engine
    There is a coolant temperature gauge and a engine coolant temperature warning light on the instrument panel cluster that indicate an overheated engine condition. See Engine Coolant Tempera ...

    Lucerne Super adds more luxury appointments
    Distinctly designed, the Lucerne Super stands out with a new bright chrome waterfall grille, front and rear fascias, integrated dual exhaust tips, rocker panels, and Super badge on the decklid. Ex ...

    Playing the Radio
    (Power/Volume): Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume. The radio goes to the previous volume setting when the radio is t ...