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:

    Malfunction Indicator Lamp
    A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. This ligh ...

    Reducing Speed While Using Cruise Control
    If the cruise control system is already activated: • Press and hold the SET– button on the steering wheel until the lower speed desired is reached, then release it. • To slow down in small amo ...

    2011 GMC Acadia Review By Sherrice Gilsbach
    Adding glitzy Denali details to the already fabulous 2011 GMC Acadia seems like a perfect marriage. And it was, with the exception of a few minor dislikes for this three-row crossover. With a bo ...