rketterling Posted July 14, 2006 Report Share Posted July 14, 2006 Does anyone know if there is an external GPS antenna for the nav system installed in from factory? I put after market window tint on my car and now my antenna can't get through the window to the satelite. My antenna is mounted on the rear deck. Any help would be great. Link to comment Share on other sites More sharing options...
JimD Posted July 14, 2006 Report Share Posted July 14, 2006 Your model does not have the roof mounted antenna above the rear glass? Edit: Disregard. I had the cart in front of the horse. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
weephee Posted July 14, 2006 Report Share Posted July 14, 2006 If you have factory navigation in your car you will have a gps antenna mounted under the rear deck behind the back seat. You will also have a gps mounted under the rear deck for the onstar plus there is an antenna mounted on the rear window glass for onstar communication and cellular communication. Tinting the rear glass will certainly affect both of the gps antennas mounted under the rear deck. Link to comment Share on other sites More sharing options...
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