People make emulators for video game systems. Game companies design the systems to deter such behavior, but people always find a way.
I guess the amount of hackers out there interested in games outweighs the number that is interested in cars though. If the binary files for at least the two different flashes were somehow available, you could analyze the differences as a starting place for figuring out what all the values in the flash are. From there you could start creating your own flashes.