Unlock Cars
Codes require profile to have a Class A license or better to activate:
CIRCUITCITY - Unlock Circuit City skinned car
BESTBUY - Unlock Best Buy skinned car
GAMESTOP - Unlock Gamestop skinned car
WALMART - Unlock Wal-mart skinned car
Unlock Steel Wheels Cars
Press [Start] to pause game play. Press [R1] to scroll to the "Under The Hood" menu. Select "Sponsor Code" option, then enter one of the following case-sensitive codes to activate the corresponding cheat function. A message will confirm correct code entry. Cars will appear when you enter a junkyard after earning the appropriate license. Note: Some codes require a PlayStation Network connection.
Q83E 3H1S BI3B 40P4 - North American version of the game
U84D 3Y8K FY8Y 58N6
E165 6L1Q ZQ2H 10V3
E60J 8Z7T MS8L 51U6
B179 8M20 XA09 80FF - U.K. version of the game
Z891 4K88 IN25 79AA - other European versions / Australian version of the game