Extra Money:
     Press Down, Up, Left, Down, Right, Up, X, B at the title screen.

Unlimited Crew Charge:
     Press Down, Up, Up, Right, Left, Left, X at the title screen.

Unlimited Nitrous:
     Press Left, Up, Left, Down, Left, Down, Right, X at the title screen.

Unlimited Speedbreaker:
     Press  Down,  Right, Right, Left, Right, Up, Down, X at the title
screen.

Unlock NFS:C Vinyl:
     Press Right, Up, Down, Up, Down, Left, Right, X at the title screen.

Unlock Cardboard Box and Driver Vinyl:
     Press Up, Up, Down, Down, Down, Down, Up, X at the title screen.