Enter Career mode. Select the "Secret Code" option at the menu. Enter one of the following codes to activate the corresponding cheat function. Codes may only be enabled once.

Effect	Code
All bonuses	UNLOCKALLTHINGS
$10,000	CASHMONEY
Five free repair markers	SAFETYNET
Coke Zero Volkswagen Golf GTI In Career mode	ZEROZEROZERO
Add $10,000 plus Bonus Cars	REGGAME
Free Collector's Edition Upgrade	COLLECTORSED&
Audi TT3.8 Quattro	ITSABOUTYOU
Castrol Syntec Decal	CASTROLSYNTEC
Chevrolet Chevelle SS	HORSEPOWER
Energizer Lithium Dodge Viper	WORLDSLONGESTLASTING
Energizer Lithium Dodge Viper SRT10 in Career mode	ENERGIZERLITHIUM
Mitsubishi Lancer Evolution in Career mode	MITSUBISHIGOFAR