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Navigation Map Upgrade

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  • 3 weeks later...

GS3504: Look in your owners manual, it's a user friendly upgrade. Just follow the instructions step by step that come with the new

disk. ONLY buy it from Lexus though. Not EBay! My '06 GS430 hadn't been updated since factory shipped and the cost is over $100,

but there has been quite a few road additions and changes since then, so I took the plunge and it only takes a few minutes. If there

hasn't been a ton of changes in your driving area, I'd say leave it for a few years, but if you regularly travel to new areas of the country

I'd go for it!

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Navigation updates for the 2010 GS350 are on USB flash memory and are applied by a Lexus dealer. It is not like the older DVD based Lexus navigation systems which could be easily updated by the vehicle owner.

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