Some Bosch dishwashers do this, to let the steam escape quickly. Also, the controls are hidden at the top of the door, so it projects a red dot onto the floor w

Some Bosch dishwashers do this, to let the steam escape quickly. Also, the controls are hidden at the top of the door, so it projects a red dot onto the floor when it's running, because it's so quiet that you would have no idea otherwise.