The suspect told one of the workers the car was his, got the keys, and sped off.

http://dailynews.yahoo.com/h/kpix/20011031.../lo/1647_1.html

 

It was probably worth quite a bit of money to see the faces of the ones responsible when the owner returned to get his perfectly detailed Porsche back.
I would be rolling on the floor laughing if this happened to any shop that should take care of my car.
The shop pays for your stolen car after all.
Now if no one was to pay it would be a completely different matter of course...