There is a panel with two circular buttons on it. The left-hand button has a key sumbol on it in a raised, tactile form and the right-hand one has a raised letter D. At the top of the panel is the instruction 1. Push to close or open door with an arrow pointing to the right-hand (D) button. At the bottom of the panel is: 2. When closed push to lock door, with an arrow to the left-hand, (key) button. On the left of the panel are braille instructions, as described on the main page.