99 GS400 Navigation Update
#1
Driver School Candidate
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Can someone please tell me if 1999 GS400 Navigation is able to update or not? Is there a specific CD? What is the part # for all regions? If I can find them used or whatever, is it simple as plug and play? I-phone does the trick however, it would be nice if Navigation did that for me.
#2
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
Can someone please tell me if 1999 GS400 Navigation is able to update or not? Is there a specific CD? What is the part # for all regions? If I can find them used or whatever, is it simple as plug and play? I-phone does the trick however, it would be nice if Navigation did that for me.
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