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Question Details Asked:May 21, 2008 - 03:34 PMStatus:Closed
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Your 2003 RX is probably generation 3 but to be sure I'd email this eBay seller with your question. I'm fairly certain they can give you a definite answer. Just click on ask seller a question.
I had the same question regarding my 2005 es330 gps. I just called the dealer parts department and was told i'd need ver. 9.1 at a cost of $199.00.
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