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:

    Air Quality Sensor
    For vehicles with an air quality sensor, the climate control system adjusts to limit some exhaust fumes from being pulled inside your vehicle. Press the AUTO button on the climate control t ...

    AM
    The range for most AM stations is greater than for FM, especially at night. The longer range can cause station frequencies to interfere with each other. For better radio reception, most AM r ...

    Remote Keyless Entry (RKE) System
    The Remote Keyless Entry (RKE) transmitter is used to lock and unlock the doors from up to 60m (195 ft) away from the vehicle. : Press to unlock the driver door or all doors depending on the ...