Unlock Unlimited Turbo:
From the Options menu, enter the code: ZZOOOOM

Unlock Lightning Mcqueen\'s Alternate Colors:
From the Options menu, enter the code: NCEDUDZ

All Game Content:
ALLYORS.

Unlock Arcade Races, Mini-games, And Story Mode:
From the Options menu, enter the code: PLAYALL

Unlock All Cars:
From the Options menu, enter the code: MATTEL07

Unlock All Bonus Art:
From the Options menu, enter the code: BUYTALL

Unlock Extreme Acceleration:
From the Options menu, enter the code: 0TO200X

Unlock Alternate Colors:
From the Options menu, enter the code: PAINTIT. 
Note: it does not unlock Lightning McQueen\'s alternate colors.

Activate Expert Mode:
From the Options menu, enter the code: VRYFAST