Thread: Where is Your XM Antenna Installed
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Old 09-01-2007, 05:20 AM
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Default Re: Where is Your XM Antenna Installed
[quote=Viet Nam Vette]I have the Factory Nav and OnStar which are in the same Shark Fin Antenna. When you order factory Nav,Onstar,XM...it all comes in the Shark Fin Antenna on the Passenger side front roof.quote]

Actually the Navagation antenna is mounted from the factory in the dash on the air duct. The XM and ONSTAR are on the roof.
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