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hillsj2

Nav Upgrade Issue

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2002 sc430 with original disc. upgraded to 7.1 data disc for gen 2/3. all works except for entering destination by address. search area is not loaded. does not show north america map or give any option to change the search area. why? any way to force firmware update?

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you have a bad copy, probably a memorex disk,, they don't work well,, try to copy your disk onto a TDK disk. The data is there, but the Lexus Nav system is picky on the type of disk it likes.

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2002 sc430 with original disc. upgraded to 7.1 data disc for gen 2/3. all works except for entering destination by address. search area is not loaded. does not show north america map or give any option to change the search area. why? any way to force firmware update?

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Hello, just purchased 2002 SC 430. Would like to upgrade Nav DVD. Please advise on source/cost of upgraded DVD. Thanks, SC Guy

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