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:

    Roadside Service
    U.S.: 1-800-224-1400 Canada: 1-800-882-1112 TTY Users (U.S. only): 1-888-889-2438 Mexico: 01-800-466-0805 As the owner of a new Cadillac, you are automatically enrolled in the Roadside Servic ...

    General Information
    Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect or ...

    What to Use
    To determine what kind of fluid to use, see Recommended Fluids and Lubricants  . Always use the proper fluid. Notice: Use of the incorrect fluid may damage the vehicle and the damages may not ...