Hi Tfischer
I bought a copy version 7.1 from our Lexus member , but it's working on and off , no way i can go back my original version 2002 SC 430 , base on your information , i can go back to version 5.1 , right? my question is if you still have your OEM 5.1 and want to sell it ,please email
tptran885@yahoo.com . Thank you
