He actually installed each piece in a different car in the lot, then built a new car in the spot from the displaced pieces.  It's a confusing maneuver known as the auto-troll shuffle.

"Secretary: Part 3", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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He actually installed each piece in a different car in the lot, then built a new car in the spot from the displaced pieces. It's a confusing maneuver known as the auto-troll shuffle.