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:

    Torque Lock
    Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the transmission. This happens when parking on a hill and shifting the transmission into P (Park) is not done ...

    Exterior Mirrors
    Premium Trim Shown, Up-Level Similar Mirror Adjustment 1. Press (A) or (B) to select the driver or passenger side mirror. 2. Press the arrows on the control pad to move the mirror up, down, right ...

    SERVICE TRACTION CONTROL
    This message displays when there is a problem with the Traction Control System (TCS). The TCS/StabiliTrak warning light on the instrument panel cluster also comes on. When this message disp ...