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 on page 14‑1 for more information.

    See also:

    When the System Does Not Seem to Work Properly
    The following messages may be displayed on the DIC: SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer to repair the system. PARK ASSIST OFF: If the URPA system does n ...

    Error Messages
    If Disc Error displays and/or the disc comes out, it could be for one of the following reasons: ○ The disc has an invalid or unknown format. ○ The disc is very hot. Try the disc again ...

    Electronic Range Select (ERS) Mode
    ERS or manual mode allows for the selection of the range of gear positions. Use this mode when driving down hill or towing a trailer to limit the top gear and vehicle speed. To use this feature: ...