The Cars 2 video game also integrates with World of Cars Online:
Integration of WOC Online & Cars 2 Console Game:
With the purchase of your Cars 2 game on Nintendo DS, Nintendo Wii, Playstation3, or Xbox 360, you'll be able to link your video game account with The World of Cars Online. Complete Levels or Circuits in your Cars 2 game and unlock coins, hood stickers, and more in The World of Cars Online! In addition, if you complete certain tasks in The World of Cars Online you'll unlock new characters and earn special rewards in your Cars 2 video game!