At the main menu, select the "New Game" option, then choose the "Season" selection. Choose an empty saved game slot, then enter one of the following case-sensitive profile names to activate the corresponding cheat function:

All bonuses
Enter "IWantIt" as a case-sensitive profile name to unlock all bonuses.

All trophy room items
Enter "FilMeUp" as a case-sensitive profile name to unlock all trophy room items.

Extra $999,999
Enter "Loaded" as a case-sensitive profile name.

Rocket cars
Enter "HotRodz" as a case-sensitive profile name.