First, the car updates the scoreboard on the back of the passenger seat, then the seats move back and forth to do the wave, and finally your score is uploaded to the GoalCooper scoreboard. Whoever scores the most goals wins a trophy.
Aaron Miller is the Rides editor for Supercompressor. He's not very good at soccer, but he does want to kick a ball at this MINI. If you share the need to kick things, you can follow him on Twitter.