GM Service Manual Online
For 1990-2009 cars only

XM™ Satellite Radio Antenna System Diversity System

Your vehicle may have the XM™ Satellite Radio antennas that are located in the outside rear view mirrors. These antennas are hidden from view and are not accessible.

XM™ Satellite Radio Antenna System Roof or Trunk Mounted

The XM™ Satellite Radio antenna is located on the roof or on the trunk lid of your vehicle. Keep this antenna clear of snow and ice build up for clear radio reception.