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2002 Es300 Navigation Upgrade


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I have 2002 Es300 and navigation stop working. The DVD disk in the back did not move.

So i go to a long process of finding what is the problem.

CPU was the problem and cost me to repair $600. I decided to go with ebay and buy for $450.

2002 have Navteq generation 1 or 2, and I changed with generation 4. Bought disk for it and work.

Update is only done with a new disk for the same generation.

Good luck.


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  • 4 months later...
I too have a 02 es300 and the nav has never been updated, still works good and most info is acurate. why do you want to update it?

In 7 years since the original mapping was released there has been lot's of changes......new roads & points of interest, aside from the fact that the new mapping disc also upgrades the internal software in your navigation unit.

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