hoffy5

Hi All---

I have searched and read the threads on upgrading Nav system in the SC 430. Please pardon my new thread, I am confused as to what version I need to purchase? I have an 2003 SC430, I am not sure if it is 2 or 3rd Gen Unit? I checked my system and the software version on the Nav says version 0.2
Questions:
• What cd version should I purchase to upgrade from version. 0.02, that will not give me any issues installing?
• Crazy question, the NAV unit in the rear, once you upgrade do you remove disc from unit, or is software going to hard drive in NAV?
• Anybody know where I can get the needed upgrade, checked on E-bay, however would rather purchase one from a member on the Forum!

Thanks again!
Bob

iolmaster

iTrader: (1)

A 2003 is Generation 2/3 and the last update was in 2013. It is version number U08 or 13.1. They are about $190.00 from Lexus if you can find one. They are available from other sources we are not allowed to discuss also. The NAV unit is in the trunk and is just as simple as removing the current disc and inserting the new one. The entire system runs off the disc and has no hard drive.