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:

    Recommended Fluids and Lubricants
    This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine and/or an Allison Transmission, see the maintenance schedule section in the DURAMAX® Diesel ...

    Erasing Universal Home Remote Buttons
    The programmed buttons should be erased when the vehicle is sold or the lease ends. To erase either Rolling Code or Fixed Code settings on the Universal Home Remote device: 1. Press and hold the two ...

    Heavy-DutyTrailer Wiring Harness Package
    For vehicles equipped with heavy duty trailering, the harness connector is mounted in the bumper. The seven-wire harness contains the following trailer circuits: • Yellow: Left Stop/Turn Signal ...