Once you collect enough cash, you basically head back to the garage, grab the auto that needs the treatment, and go around finding your posse to help pimp the car. Under a time limit, you go around and buy accessories that sound cool and will make the car look wicked. Once done, there's a nice little reenactment from the show, videogame style.
And that's about it, folks. It's not fun, and it drives so off course from the show that it should be embarrassed. Graphics are ugly, minigames are dull, and there just isn't any will to plow through this. Some retailers supported a pre-order bonus (which might be still in action some places) in which the game came with the entire first season of the TV series on DVD; we're thinking that was an premeditated apology for this.