ZnGuy Posted August 8, 2010 Share Posted August 8, 2010 What is best way for me to upgrade software on my Navigation and how can I tell what version I currently have? thx Quote Link to comment Share on other sites More sharing options...
navguy Posted August 19, 2010 Share Posted August 19, 2010 What is best way for me to upgrade software on my Navigation and how can I tell what version I currently have? thx The new DVD updates are coming in October for V10.1. For an 05MY GX470 you will need part number PT219-GEN04-10. Pick it up from your local Lexus dealership for $199. Note - You will have to either eject the old map disc to see the version number (probably V4.1) or check via the touch screen. Quote Link to comment Share on other sites More sharing options...
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