Backglass AntennaThe AM-FM antenna is integrated with the rearwindow defogger, located in the rear window. Makesure that the inside surface of the rear window is notscratched and that the lines on the glass are notdamaged. If the inside surface is damaged, it couldinterfere with radio reception. For proper radio reception,the antenna connector needs to be properly attachedto the post on the glass.If a cellular telephone antenna needs to be attached tothe glass, make sure that the grid lines for the AM-FMantenna are not damaged. There is enough spacebetween the grid lines to attach a cellular telephoneantenna without interfering with radio reception.Notice: Using a razor blade or sharp object to clearthe inside rear window can damage the rear windowantenna and/or the rear window defogger. Repairswould not be covered by the vehicle warranty. Do notclear the inside rear window with sharp objects.Notice: Do not apply aftermarket glass tintingwith metallic film. The metallic film in some tintingmaterials will interfere with or distort the incomingradio reception. Any damage caused to yourbackglass antenna due to metallic tinting materialswill not be covered by the vehicle warranty.XM™ Satellite Radio AntennaSystemThe XM Satellite Radio antenna is located on the roof ofthe vehicle. Keep the antenna clear of obstructions forclear radio reception.If the vehicle has a sunroof, the performance of the XMsystem may be affected if the sunroof is open.3-129