First, why is this a feature? Secondly what causes it. My gx sometimes goes in and out of disabled mode. Why? The main 4 doors still lock and unlock, but the back rear door doesn’t lock under any circumstances. (Why no physical lock tab back there on the inside) No sound when they lock, but there is a sound when they unlock. The app on my phone locks and unlocks the main four doors but not the back door. Still drives fine, my second fob behaves the same. The handle “button” locks - no sound, and unlocks when I grab with sound. Back door exterior buttons work lock and unlock, (no sound lock - sound unlock) I’ve taken it in 4 times Lexus dealer can’t figure it out other than resetting it with the scanner. Do I have a Lexus lemon? Lots of warranty repairs, glad I have a 100k warranty.