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:

    Limit Features While Driving
    The navigation system may have this feature. Touch the Limit Features While Driving screen button to turn the ability to limit functions on and off while driving. When this screen button is highli ...

    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 ...

    Storing the Flat Tire with a Flat Load Floor (Sedan)
    1. Put back all tools as they were stored in the rear storage compartment and put the compartment cover back on. 2. Put the flat tire in the tire storage bag, if there is one. 3. Place the t ...