Multi-Band Antenna

The antenna located on the roof of the vehicle is used for the OnStar, XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has these features. Keep the antenna clear of obstructions for clear reception.

If the vehicle has a sunroof and it is open, the performance of OnStar, XM, and GPS can be affected.

    See also:

    Front Seats
    The vehicle's front seats have adjustable head restraints in the outboard seating positions. The height of the head restraint can be adjusted. To raise or lower the head restraint, press the ...

    Detailed Areas
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    Care of the CD/DVD Player
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