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:

    If the Vehicle Is Stuck
    Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow. If stuck too severely for the traction system to free the vehicle, turn the traction system off an ...

    Voice Pass-Thru
    Voice pass—thru allows access to the voice recognition commands on the cell phone. See your cell phone manufacturer's user guide to see if the cell phone supports this feature. To access contacts ...

    Trailer Towing
    If the vehicle is a hybrid, see the hybrid supplement for more information. Do not tow a trailer during break-in. See New Vehicle Break-In   for more information. WARNING The drive ...