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310 Posts
I know that most of you have already gone though the customization settings of your vehicle, but I found a Lexus Checklist that goes into detail about what each setting does, and which ones the dealer is supposed to be able to do. 
http://www.lexus.com/pdf/service/15RC350-With-Display-Audio-customer.pdf
Anyway, Enjoy.
http://www.lexus.com/pdf/service/15RC350-With-Display-Audio-customer.pdf
Anyway, Enjoy.