If you are referring to the rear door of the aircraft may I point out that the rear door opens in a two. As you see the aircraft from the outside for normal ops only the left part is opened. If an oversize load need to be (un)loaded the right part can be open also. I understand the button is for opening the right part of the door maybe that's why is low as to be pressed from the outside.
I agree with the lack of cleaning giving a bad image.
The above don't help much the clarity issue on the card but might explain the various issues.
Rwy in Sight