Enter all cheats on the main menu.

All Cars - L1, L1, LEFT, SQUARE, LEFT, SQUARE, R2, SQUARE, R2
All Challenge Tracks - DOWN, DOWN, DOWN, L2, L2, DOWN, RIGHT, R2, SQUARE
Unlock All Modes - SQUARE, SQUARE, SQUARE, LEFT, RIGHT, DOWN, RIGHT, L1, DOWN, R2, R2
Unlimited Damage - L2, L2, R1, R2, SQUARE, UP, UP, SQUARE
Unlimited Time - DOWN, DOWN, UP, UP, L2, UP, UP, SQUARE
Unlock All Maps - DOWN, DOWN, UP, R2, R2, L1, R2, R2, DOWN, SQUARE
All Police Levels - LEFT, LEFT, SQUARE, L2, SQUARE, UP, UP, SQUARE, LEFT
All Turbines - UP, UP, DOWN, UP, SQUARE, R1, DOWN, L2, SQUARE
Aluminum Mode - LEFT, UP, DOWN, RIGHT, SQUARE, SQUARE, L2, R2