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:

    2010 GMC Terrain Review by Kelsey Mays
    It should come as little surprise that the new GMC Terrain, a corporate twin to the redesigned Chevrolet Equinox, retains most of its sibling's strengths and weaknesses. The wild card — or, more ...

    Head Restraints
    The vehicle's front seats have adjustable head restraints in the outboard seating positions. WARNING With head restraints that are not installed and adjusted properly, there is a greater chance that ...

    Brake Fluid
    The brake master cylinder reservoir is filled with DOT 3 brake fluid as indicated on the reservoir cap. See Engine Compartment Overview on page 10‑6 for the location of the reservoir. There ...