Operation from inside
To lock any door from the inside, press the door-lock knob.
To unlock, pull it outward.
This does not operate the other door locks.
Operation from outside
To lock any door using its door-lock knob from the outside, press the door-lock knob to the lock position and close the door (holding the door handle in the open position is not required).
This does not operate the other door locks.
When locking the door this way:
