Multi-Band Antenna

The multi-band antenna is on the roof of the vehicle. The antenna is used for the AM-FM radio, OnStar, the 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.

    See also:

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    StabiliTrak® Service Light
    This light will come on briefly when the engine is started. This light will come on if a problem is detected in the StabiliTrak® system. ...