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:

    Doing Your Own Service Work
    If the vehicle is a hybrid, see the hybrid supplement for more information. WARNING It can be dangerous to work on your vehicle if you do not have the proper knowledge, service manual, tools, ...

    Starter Switch Check
    WARNING When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough room ...

    Engine Cooling System Messages
    Notice: If you drive the vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soo ...