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:

    Competitive Driving Mode
    To select this optional handling mode, press the TCS/StabiliTrak button quickly two times and STABILITRAK COMPETITIVE MODE displays in the Driver Information Center (DIC). While in the Sta ...

    Maintenance When Trailer Towing
    The vehicle needs service more often when pulling a trailer. See this manual's Maintenance Schedule or Index for more information. Things that are especially important in trailer operation a ...

    LED Lighting
    The vehicle may have LED headlamps. For replacement of the LED lighting assembly contact your dealer. ...