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:

    Different Size Tires and Wheels
    If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and ...

    Initial Drive Information
    This section provides a brief overview about some of the important features that may or may not be on your specific vehicle. For more detailed information, refer to each of the features which ...

    What to Use
    Refer to Recommended Fluids and Lubricants   to determine what kind of lubricant to use. ...