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:

    Power Steering Fluid
    The power steering fluid reservoir is located under the engine cover on the passenger side of the vehicle. See Engine Compartment Overview on page 10‑6 for reservoir location. ...

    When the System Does Not Seem To Work Properly
    The RVC system may not work properly or display a clear image if: ○ The RVC is turned off. See “Turning the Rear Vision Camera System On or Off” earlier in this section. ○ It is da ...

    Overview
    The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck capability combined with greater off-road versatility. It is highlighted by a bold exterior design, enhanced all-terrain ...