To enter each code in the game, go to the "Bonus Codes" section of the game and enter the code you are given by choosing the "Enter Code" option then selecting the number at the top of the screen. Select "Confirm Code" to complete the entry. The cheat will automatically be turned on, however you can turn it off by highlighting it in the list and pressing the select button. Please take care when entering your unique ID number. Codemasters cannot be held responsible for users entering a wrong unique ID number.