photobug Posted May 23, 2010 Share Posted May 23, 2010 I have a 2004 gx470 with ver. 3.1 gps navigation. Just purchased a new 2010 IS 250c. Can I make a copy of the newer version and install in the 2004 navigation unit? Please help as the 2004 navigation girl leads me all over the place and is not correct for the present times..... thanks Quote Link to comment Share on other sites More sharing options...
jsantos615 Posted July 16, 2010 Share Posted July 16, 2010 I have a 2004 gx470 with ver. 3.1 gps navigation. Just purchased a new 2010 IS 250c. Can I make a copy of the newer version and install in the 2004 navigation unit? Please help as the 2004 navigation girl leads me all over the place and is not correct for the present times..... thanks Sorry, that won't work. Your IS and GX each have a different generation navigation system. The maps are incompatible between those generations. Quote Link to comment Share on other sites More sharing options...
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