In the entertainment menu, above the "play game" button for backgammon, there is text that reads "Two players, two sides. One is light, one is dark." This is a quote from one of the early episodes of Lost in which John Locke teaches Walt how to play backgammon. The quote is believed by some to have significant meaning in the series. Once a game of Backgammon is started on the Tesla in-vehicle display, the lower right corner of the backgammon board can be observed to display the numbers "4 8 15 16 23 42". These numbers are part of the Mythology of Lost and recur throughout the series. Whenever a game score matches one of the numbers, the game score turns green rather than the usual grey.
This easter egg works on the Model S, 3, X, and Y
