This feature is unlocked during gameplay by pausing the game and holding L1 + L2 + L3 + R1 + R2 + R3 + Left analog-stick Right + Right analog-stick Left. You will hear a confirmation sound if you have entered the code correctly.

If you keep tapping X when you are driving the vehicle will go faster without using the boost which will allow it to charge.

To get rid of dirt or mud which may have got onto your screen and is hindering your view quickly press Triangle (View) twice.

To drive faster in any vehicle while your boost is charging just keep tapping X and you'll go quicker without using Boost.

The following codes are entered by holding down all the indicated buttons and pushing the analog sticks in the direction which is required. If the code has been entered correctly you will hear a noise as confirmation.

Unlock Everything:
At the Main menu hold L1 + L2 + R1 + R2 + R3 (Analog sticks pushed Up) +L3 (Analog sticks pushed Down).

Unlock Big Head (ATVs and Bikes):
During gameplay pause the game and hold L1 + L2 + R1 + R2 + R3 (Analog sticks pushed Right) + L3 (Analog sticks pushed Left).