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:

    Meet the Wedge
    The CTS sedan's exterior is angular, but the new CTS coupe takes the design theme to a new level. There are creases everywhere, and while most meet and intersect to create a unique-looking coupe t ...

    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 ...

    If the Vehicle Is Stuck
    Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow. If stuck too severely for the traction system to free the vehicle, turn the traction system off an ...