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:

    Engine Oil Additives/Engine Oil Flushes
    Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection. Engin ...

    Passing
    More passing distance is needed when towing a trailer. The combination will not accelerate as quickly and is longer so it is necessary to go much farther beyond the passed vehicle before returning to ...

    Engine Power Messages
    ENGINE POWER IS REDUCED This message displays and a chime sounds when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Overhea ...