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:

    Engine Compartment Overview
    6.2L V8 Engine A. Engine Air Cleaner/Filter  . B. Coolant Surge Tank and Pressure Cap. See Cooling System  . C. Remote Positive (+) Terminal. See Jump Starting  . D. Battery  ...

    Checking Engine Oil
    It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the vehicle must be on level ground. The engine oil dipstick handle is a yellow loop. See En ...

    Additional Program Information
    All program options, such as shuttle service, may not be available at every dealer. Please contact your dealer for specific information about availability. All Courtesy Transportation arrang ...