Need for Speed Most Wanted Cheat Codes

Enter the following codes at the 'Press Start' screen when the game is switched on to unlock the corresponding effect in the game.

Unlocks Porsche Cayman:
L1, R1, R1, R1, Right, Left, Right, Down.

Unlocks Ford GT:
Up, Down, Up, Down, Left, Right, Left, Right.

Unlocks Syntec Ford GT:
Left, Right, Left, Right, Up, Down, Up, Down.

Unlocks Burger King Challenge:
Up, Down, Up, Down, Left, Right, Left, Right.

Unlocks Junkman Engine Part:
Up, Up, Down, Down, Left, Right, Up, Down.

You gotta be joking now?
Ashamed to say it but I've never used cheats in need for speed games
what about undercover?

I never used cheats before in most wanted either. I enjoy playing it without cheats