Rear Seats

The vehicle's rear seat has head restraints in the outboard seating positions that cannot be adjusted. Rear outboard head restraints are not designed to be removed.

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    Safety Locks
    The rear door safety locks switch is on the instrument panel. Rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Press to activate the safety locks. ...

    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 ...

    Gasoline
    Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline adv ...