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sorry for the delay.............Greetings...... “Hi, I’m Don (akaCustomer and I look forward to helping you!”.This is the first time I have seen your question.......sorry it was not addressed earlier, but perhaps there was no VW expert to answer........Does "any" Doors stay "Unlocked" when you Lock the Vehicle....(Lock Vehicle with Remote, then try each Door Handle)Please post "which Doors" do stay Unlocked.In you question you state that the Passenger Rear Door Opened when you had Locked the VehicleYou also state that the Door Locks "click on & off"This is typical of a Bad Lock Actuator or a Stuck Door Latch / ActuatorIF you find "any" Door stays Unlocked when you Lock the Doors:First try:Spray a Lubricant (wd40, pb blaster, etc.) into the Door Latch on the side of the DoorOpen & Close the Door Numerous times, while spraying more Lubricant into the Latch on Open.See if that cures the issue.IF Not, then you will need to remove the Inside Door Panel & Lube or Replace the Door Lock Actuator at the Door LatchLet me know what you find
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