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:

    Overheated Engine Protection Operating Mode
    If an overheated engine condition exists and the ENGINE POWER IS REDUCED message is displayed, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. ...

    Overheated Engine Protection Operating Mode
    This operating mode allows the vehicle to be driven to a safe place in an emergency. Should a hot engine condition exist, an overheat protection mode which alternates firing groups of cylind ...

    Inst (Instantaneous) Economy
    Displays the current fuel economy in either liters per 100 kilometers (L/100 km) or miles per gallon (mpg). This number changes frequently as driving conditions change. It cannot be reset. ...