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:

    Safety System Check
    Now and then, check that the safety belt reminder light, safety belts, buckles, latch plates, retractors, and anchorages are all working properly. Look for any other loose or damaged safety belt syst ...

    Express-down Windows
    Vehicles with the express-down feature allow the driver and front passenger windows to be lowered without holding the switch. Push the switch down to the second detent, then release, to activate the e ...

    2008 GMC Yukon Review
    The 2007 GMC Yukon — along with the Cadillac Escalade and Chevrolet Tahoe — is one of three completely redesigned full-size SUVs from General Motors. I've driven all three, and with the except ...