Hey Nick, I'm very excited to try out the new Wolfgang line up!
My favorite Wolfgang product is Fuzion, wowo--so easy. Use over Wolfgang Deep Gloss Paint Sealant--great combo.
What year Rx350 is it. All Rx350 have a button in the glove box to disable the remote function of the pwr back door. I am a Lexus Tech. The modules that control the pwr back door are hidden from any kind of moisture you could throw at it during your detail. Let me know if you need any...