2013 Toyota Sienna Owners Manual - Page 340

1-2. Opening, closing and locking the doors Back door Press the unlock unlock all the doors. button to The door cannot be unlocked for 3 seconds after the door is locked. Lock the back door again when you leave the vehicle. The back door will not lock automatically after it has been opened and then closed. Press the lock button to lock all the doors. 38 SIENNA_OM_OM45472U_(U)