GX 470 NAV System Upgrade

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10-31-09, 05:16 PM

JohnCSr

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GX 470 NAV System Upgrade

I have a '04 GX 470 and am looking to purchase a DVD on e-Bay to upgrade the current navigation system (ver 03.1). Before I do, I wanted to look into how to install the upgrade to my system but am having difficulty locating the information. Can someone please help me out ? Thanks.

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10-31-09, 07:15 PM

sickntired

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here

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11-05-09, 09:14 AM

Lexus 4 ME

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Its very easy takes about 5-7 minutes. I did it on mine. I have 2004 too. Just put the DVD under passenger seat into the drive. And follow basic instructions.