Select the "Extras" option, choose the "Cheat Codes" selection, then enter one of the following codes to active the corresponding cheat function:
Enter "942785" as a code to unlock all challenges.
Enter "761492" as a code to unlock all championships.
Enter "112337" as a code to unlock all rewards.
Enter "505303" as a code.
Enter "611334" as a code.
Enter "171923" as a code. This code enables you to drive on any surface without losing grip.
Enter "374288" as a code.
Enter "467348" as a code.
Get a 100% completion in World Tour mode to unlock Pro Tour mode.
Successfully complete the indicated task to unlock the corresponding part for purchase in the Rewards Shop: