NASCAR 2000

Race as Alan Kulwicki:
Press L1, R1, L2, R2, Square, R1, L1, R2, L2, Circle at the driver selection screen.

Race as Benny Parsons:
Press L1, R2, R1, L2, Square, R2, L1, R1, L2, Circle at the driver selection screen. (Information from Cheat Machine)