At the main menu or while the game is paused, select the “Under The Hood” option. Choose the “Sponsor Code” selection, then enter one of the following case-sensitive codes to activate the corresponding cheat function.

Circuit City Hotrod

* Enter “circuitcity”

Hunter Best Buy Oval Champ car

* Enter “bestbuy”

Kitano GameStop Sport car

* Enter “gamestop”

Steel Wheels car

* Enter “U84D 3Y8K FY8Y 58N6”, “E60J 8Z7T MS8L 51U6”, “G23X 5K8Q GX2V 04B1”, or “E165 6L1Q ZQ2H 10V3”

Wal-Mart F1 Racer

* Enter “walmart”

I completely agree with the above comment, the internet is with a doubt growing into the most important medium of communication across the globe and its due to sites like this that ideas are spreading so quickly.