What is the difference between the two? Is XM Nav Traffic really worth it?

  • Thread starter Thread starter Mark M
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Mark M

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Traffic updates
Add Kenwood's GXM30 XM Smart Antenna and subscribe to XM's NavTraffic™ service for weather info and regularly updated traffic reports on accidents and road closings in select cities. Or, you can also choose Garmin's GTM 12 traffic information receiver to warn you of impending traffic incidents, like traffic jams, construction, and emergencies in major metropolitan areas.
 
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