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:

    Seat Adjustment
    To adjust the seat: Move the seat forward or rearward by sliding the control forward or rearward. Raise or lower the front or rear part of the seat cushion by moving the front or rear of th ...

    Public Transportation or Fuel Reimbursement
    If the vehicle requires overnight warranty repairs, and public transportation is used instead of your dealer's shuttle service, the expense must be supported by original receipts and can onl ...

    Tips and Troubleshooting
    IR Sensor Inoperative: Check that the batteries are good in the remote control. Check that the remote Control IR Sensor is not blocked. Aim the remote control toward the IR Sensor being controlled ...