There is a way to see some of the programmers of the game. Choose the ''Wall of Fame'' and then wait until the game's credits come up. Now press R in order to view a photo of the programmers. Press L when you want to go back to the regular background.
To hear the car's horns, press X at the select screen.
As soon as you start a game, press L, R, and Up on controller 2. At the same time, press L, R, A, and C on controller 3. A message stating that there has been a crash will start flashing on the screen. Now exit the game and, in all the games you play afterward, engine torque and power will be 20% higher for the faster cars and 30% higher for the slower ones in order to keep them all at the same level.
At the options menu, highlight Skill Level and quickly press:
X, R, A, L
To get this to work, hold each button down as you press them.
During the game, switch to first person view and press the following on controller 2:
Up + L + A