None of the cheats work for Need for Speed Underground 2 on GameCube... HELP if you know any let me know?

Answer 1

Parts

Enter these codes at the Press Start screen to unlock level 1 & 2 performance and visual parts. A sound will confirm that you entered the correct code.

Cheat Effect
L, R, L, R, Left(2), Right, Up-----Level 1 Performance Parts
R(2), L, R, Left, Right, Up, Down-----Level 2 Performance Parts
R(2), Up, Down, L(2), Up, Down-----Level 1 Visual Parts
L, R, Up, Down, L, Up(2), Down------Level 2 Visual Parts

Earn cash and unlock vinyls
Enter the codes at the start menu. You can only input the money codes once, and only one vinyl code at a time.
Cheat Effect
Left, Left, Right, X, X, Right, L, R----Earn $1,000 in career mode
Up, Up, Up, Left, R, R, R, Down-----Earn $200 in career mode
Up, Up, Up, Up, Down, Up, Up, Left----Unlock Burger King vinyl
Up, Down, Up, Down, Down, Up, Right, Left---Unlock Best Buy vinyl

Unlock Cars
At the Main Menu,when it says Press Start,enter this cheat.
Cheat Effect
Up,Left,Up,Up,Down,Left,Down,Left Unlock Hummer H2 Capone

Sponsor Cars
The publishers secretly allowed players to drive the cars of celebrities who worked on the game's music.
Enter these code at the "Press Start" screen. (note, use the + pad not the D stick)
After entering the code, go the the car selection screen (quick race, split screen...) and press R until you get the "SPONSOR CARS" option.
Cheat Effect
Up, Right, Up(2), Down, Right, Down, Right----Chingy Navigator
Up, Left, Up(2), Down, Left, Down, Left------Capone H2 Hummer
Up, Down, Right, Up, Left, Down, Right(2)----D3 GTO
Press Up, Down, Left, Up, Left, Up, Right, Left----ShineStreet Lexus IS300