Insert key.
Turn key, usually clockwise. If that doesn't work try anti-clockwise.
If door has handle, turn the handle.
Open door.
Of course, none of that works if it has a combination lock.
Insert key.
Turn key, usually clockwise. If that doesn't work try anti-clockwise.
If door has handle, turn the handle.
Open door.
Of course, none of that works if it has a combination lock.