Use it like an elevator!
Possibly one of my best projects, a working door lock, seperated click sounds for the door open button if you hold it (which will be implemented into the other buttons in a later update), and if you hold the door open button, it stays lit for the duration of time you decide to hold it for! Also, a bit of a quirk about this elevator, the alarm bell doesn't work! Again, though, quirks are quirks.