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    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. ...

    Keyless Liftgate Opening
    Press the touch pad on the liftgate handle to open the liftgate if the keyless entry transmitter is within range. ...

    Jump Starting
    For more information about the vehicle battery, see Battery  . If the vehicle is a hybrid, see the hybrid supplement for more information. If the vehicle's battery has run down, you may wan ...