Cellular and GPS Antennas

Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.

Cellular reception is required for OnStar to send remote signals to the vehicle.

    See also:

    Tire Chains
    WARNING Do not use tire chains. There is not enough clearance. Tire chains used on a vehicle without the proper amount of clearance can cause damage to the brakes, suspension, or other vehicle par ...

    Wireless Headphones
    The two wireless headphones included with the Headrest DVD RSE system will only work with the Headrest DVD RSE system and are marked for channel 3 and 4. The wireless headphones must be used withi ...

    Hill Start Assist (HSA)
    This vehicle has a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rearwa ...