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:

    Unlock Feedback
    Press the customization button until UNLOCK FEEDBACK: LAMPS appears in the display. To select your preference for the feedback you will receive when unlocking the vehicle with the Remote Keyless E ...

    Trunk Release
    To open the trunk, press on the Remote Keyless Entry (RKE) transmitter or press the touchpad under the vehicle emblem. See Trunk  for additional information. ...

    Compass
    There is a compass display in the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, StabiliTrak, and vehicle ...