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:

    How to Check Automatic Transmission Fluid
    Notice: Too much or too little fluid can damage the transmission. Too much can mean that some of the fluid could come out and fall on hot engine parts or exhaust system parts, starting a fire. Too ...

    Express Window Anti-Pinch Override
    WARNING! If express override is activated, the window will not reverse automatically. You or others could be injured and the window could be damaged. Before you use express override, make s ...

    Exterior
    Cadillac says stealth fighters inspired the XLR, which serves as "a contemporary expression of Cadillac's heritage of landmark design and advanced technology." Linear lines display hints ...