At the main menu or while the game is paused, select "Under The Hood"> "Sponsor Code". Activate the following cheats by entering the corresponding case sensitive codes. The cars will appear in thejunkyard after earning the required license. Sponsor codes do not workfor the v1.6 and higher patches:
B'Z Friction Ikusa GT (Japanese version)
Circuit City Hotrod
Enter "circuitcity" and get the burnout paradise license.
Hunter Best Buy Oval Champ car
Enter "bestbuy" and get the A license.
Kitano GameStop Sport car
Enter "gamestop" and get the A license.
Kitano Micromania Hydros Custom car (French version)
Enter "H211 1Z99 LZ00 00BB"(those are zeros) and get the A license.
Steel Wheels car
Enter "U84D 3Y8K FY8Y 58N6", "E60J 8Z7T MS8L 51U6","G23X 5K8Q GX2V 04B1", or "E165 6L1Q ZQ2H 10V3", and get the "BurnoutParadise" license.
Steel Wheels car (European/Autralian version)
Enter "Z891 4K88 IN2579AA" or "B179 8M20 XA09 80FF" in the European or Australian version ofthe game, and get the burnout paradise license.
Steel Wheels car (U.K. version)
Enter "B179 8M20 XA09 80FF"
Wal-Mart F1 racer
Enter "walmart" and get the burnout paradise license.