Roadsters

Go to the character selection screen, then rename any characters
to the indicated case-sensitive name. If the codes are accepted
you will hear: "Congratulations".

All divisions: Rename to " Trophies" Note: Need enter a SPACE before T letter!
Change voices: Rename to "Smurfing"
Disable all cheats: Rename to "CheatsOff"
Flying view: Rename to "Chopper"
Get money (250,000): Rename to "fastBUCKS"
Get more money (1,000,000): Rename to "EasyMoney"
Giant tires: Rename to "BigWheels"
High resolution mode: Rename to "Extra rez"
Hovercraft cars: Rename to "Skywalker"
Mirrored and reverse mode: Rename to "Anyway"
Tiny cars: Rename to "Car Radio"
Unlock all classes: Rename to "Gimme ALL"