Z to accelerate, X to brake Space bar to... Well, just press it M to change music N to mute the sound. Bonus: ASDF movie Do the flop dude
Special thanks to Summerx73's help for the moving wheels, the radio, and the moving mountains. Neither me or Summerx73 know how the mountains manage to get out of sync when you drive for too long. Summerx73's work: https://scratch.mit.edu/search/projects?q=summerx73