Radio Frequency Statement

This vehicle has systems that operate on a radio frequency that comply with Part 15 of the Federal Communications Commission (FCC) rules and with Industry Canada Standards RSS-GEN/210/220/310.

Operation is subject to the following two conditions:
1. The device may not cause harmful interference.
2. The device must accept any interference received, including interference that may cause undesired operation of the device.

Changes or modifications to any of these systems by other than an authorized service facility could void authorization to use this equipment.

    See also:

    If the Vehicle Is Stuck
    Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow. See “Rocking Your Vehicle to Get It Out” later in this section. If the vehicle has a traction sys ...

    New for 2011
    The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear. ...

    Lap Belt (Crew and Extended Cab)
    This section is only for the lap belt. To learn how to wear a lap-shoulder belt, see Lap-Shoulder Belt on page 3‑15. Your vehicle may have a center seating position. When you sit in the center ...