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ZnGuy

Navigation Upgrade On A 2005 Gx470

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What is best way for me to upgrade software on my Navigation and how can I tell what version I currently have?

thx

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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.

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