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:

    Running the Vehicle While Parked
    It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING! Idling a vehicle in an enclosed area with poor ventilation is dangerous. Eng ...

    Battery Replacement
    Notice: When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter. 1. Remove the key from the transmitter by pres ...

    Power Reclining Seatbacks
    To adjust a power seatback, if equipped: - Tilt the top of the vertical control rearward to recline. - Tilt the top of the vertical control forward to raise. ...