Various Cheats
     When  the  Infogramme  Logo  appears  press  Up,  Down, Triangle,
Circle, Up, Down, Triangle and Circle. The word "lockoff" will appear.
Now you may enter any of the following "Codes":

Code                    Effect
R1 + R2                 Unlimited Time
L1 + L2                 Narrow Tracks
L1 + R2                 Infinite Continues on Arcade Mode
L1 + L2 + R1 + R2       All of the Above
L1, R1                  Debug Mode
L1 + R1                 Jeep