Summary:The Lever Panel is a secret object with 5 levers, each with a blinker on the bottom. If this blinker part is white, that means that it's On. If it's black, that means that's Off.
By entering the combination Off, On, Off, On, On, an audio will play.
In an unknown update, the panel as well as the Morse Code Blinker next to the Hotdog Stand were hidden underground and can only be found via glitches.
The sound that plays when the right combination is entered: