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:

    Traction Control System (TCS)/StabiliTrak® Light
    The TCS/StabiliTrak light comes on briefly when the engine is started. If the light does not come on or stays on, have the vehicle serviced by the dealer. If the system is working normally, the i ...

    Steering Wheel Adjustment
    Steering Wheel Adjustment To adjust the steering wheel: 1. Pull the lever down. 2. Move the steering wheel up or down. 3. Pull or push the steering wheel closer or away from you. 4. Pull th ...

    Airbag System Messages
    SERVICE AIR BAG This message displays if there is a problem with the airbag system. Have your dealer inspect the system for problems. See Airbag Readiness Light   and Airbag System  ...