Apparently, at some point circa 1994, Hyundai decided to launch a stunt-driving team in Korea in celebration of the then-new second-generation Elantra and first-generation Tiburon. I'm not sure why they did this, but if you've ever wondered how to change a tire without ever stopping the vehicle, your answer comes around 3:00 minutes in the video below.
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The rest of it's pretty cool, too, and besides, what else were you going to do--work?