Good dayHOWEVER----If I intentionally hit the lock button, ALL the the doors will lock. So why would only the driver's door lock? ALSO--it sometimes locks when I approach the door with key in hand. ALSO--I have completely locked myself out when I left the key in the ignition and my phone was locked in also. Had to call an actual locksmith! This is the first vehicle I've had in a long time that lets you lock the key inside. My previous Prius would not lock at all if the key was inside; that's a good feature to me!
You have a lot going on at your end, it seems.
Let's just focus on what this thread is trying to answer "driver door only, locking for some reason".
The driver door has a manual door lock and an electronic door lock.
Do not mix them up! The manual door lock (sit in your truck and look at it...please see above photos or the trucks manual for its location).
Now look forward a bit and see where the door opening handle is, right in front of the manual lock.
Notice that if you pull on said door open handle and push the door open in one movement it is very easy to accidentally push on the manual lock lever!
Then when you close the door from the outside, the driver door only is locked...go to the passenger door and confirm it is unlocked.
Now get back in the truck... after unlocking it, of course. Close the door and look where, forward of the door open handle is the electronic button that should lock all the doors when you press it.
For any other door locking issues, may I suggest you start a different thread to describe your particular issue? Or maybe make an appt with your dealer if we can't help you here, as that is a separate problem.
I hope this helps,
Andy
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