Jaguar XJ220

Instant win:
Press Fire when prompted to start your engine.
When "Go" appears, press P to pause game play, then press P again to resume.
The race will end with you car having the fastest lap time.

Break track records:
Before starting the race, select radio mode on the CD player and tune it to "065.4".

Faster scenery:
Enter the sound selection screen, select the sound effects option, and choose radio.
The scenery will appear at twice the normal speed while your car remains at its normal speed.