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:

    2008 Cadillac Escalade Review
    After a week in the all-new Cadillac Escalade I have now reviewed each of GM's full-size SUVs, including the Chevy Tahoe and GMC Yukon. The Escalade is the top fish in the pond, complete with a mo ...

    Tire Pressure Light
    For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS. When the Light Is ...

    All-Wheel Drive
    If the vehicle has this feature, engine power is sent to all four wheels when extra traction is needed. This is like four-wheel drive, but there is no separate lever or switch to engage or disenga ...