The residential elevators here in Japan always show the floor the elevator is currently on. They also have a monitor showing who (or what) is inside the elevat

The residential elevators here in Japan always show the floor the elevator is currently on. They also have a monitor showing who (or what) is inside the elevator car, so you're not surprised when the door opens. (The monitor isn't always on each floor though, but always on the ground floor.) They also have a "pet" button so dog owners can warn people they have an animal in the elevator.