Cheat Mode:
Press the ~ key at the indicated screen to show the console. Then, enter one of the following codes to use the corresponding cheat. Press [Enter] to return to the game.
All cars:
At the Single Race menu, enter Cheat.SkipCarCheck() into the console to unlock all cars.
All races:
At the Single Race menu, enter Cheat.AllRaces() into the console to unlock all races.
Mo' Money:
At the Rally League menu, enter Cheat.AddCash(number) into the console to add the indicated amount of cash.