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.

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    Door Ajar Messages
    DRIVER DOOR OPEN This message will display when the driver door is open. Close the door completely. HOOD OPEN This message will display when the hood is open. Close the hood completely. LE ...

    Speedometer
    The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

    PhatNoise a segment first
    Also available is the first-in-segment Mobile Digital Media Powered by PhatNoise system. PhatNoise is a wallet-sized, 40-gigabyte hard drive that installs in the Terraza's overhead rail system. Th ...