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:

    Power Seat Adjustment
    To adjust a power seat, if equipped: - 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 ...

    Leaving the Vehicle With the Engine Running (Automatic Transmission)
    WARNING! It can be dangerous to leave the vehicle with the engine running. The vehicle could move suddenly if the shift lever is not fully in P (Park) with the parking brake firmly set. And, ...

    Magnetic Ride Control
    The XLR also is one of the world's first vehicles to be equipped with Magnetic Ride Control - electronically controlled, magnetic-fluid based real-time damping. The system uses four wheel-to-body ...