Trickier Jokes

At a place where I used to work, there is a huge sliding door
The sliding door is operated by two three-button-panels. One inside
the building and one outside.
One button has a left-arrow on it, the button in the center is a red
one with the word "STOP" on it, and then there's a button with a
right-arrow on it.
1. When your are operating the door from inside the building (The
panel is to the right of the door):
1. If the door is open and you want to close it, then the right button is
the right button, the button in the center is an emergency-stop-button
and the button that is left is the left button.
If, on the other hand, the door is closed and you want to open it,
then things get a little trickier. Because now the left button is the
right button, the button in the center is an emergency stop-button and
the button that is left is... the right button.
2. When your are operating the door from outside the building more...