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:

    Coverage
    Services are provided up to 5 years/ 160 000 km (100,000 mi), whichever comes first. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving the vehicle without permission ...

    Under the Hood
    A 4.6-liter Northstar V-8 with variable valve timing produces 320 horsepower at 6,400 rpm and 310 pounds-feet of torque at 4,400 rpm. Premium fuel is recommended. The five-speed-automatic transmis ...

    Storing the Tire Sealant and Compressor Kit (Wagon)
    The tire sealant and compressor kit is located in the rear of the vehicle. A. Tire Sealant and Compressor Kit B. Foam Container C. Subwoofer (Optional) 1. Open the liftgate. See Liftgate. 2. ...