Hint :
Select exhibition mode and choose "Williams" as a driver. Then change the name to one of the following using the analog stick:


Challenge select:
Pandora

Hawaii bonus track:
Vacation

Gold driver:
Pyrite

Chrome driver:
Chrome

Gallery option:
Museum

View credits:
Credits

Hidden track:
Win the championship under the professional difficulty level.

Team Extreme drivers:
Earn a 100% skill level in challenge mode. An option to view the credits will appear on the opening screen and the Team Extreme silver and gold drivers will be available under exhibition, time trial and two player modes.

View credits and gallery mode:
Win the championship under the rookie difficulty level. Options to view the credits and gallery will appear on the opening screen.

Broadcast mode:
Select the television camera as a driver to use broadcast mode.

Always accelerate:
Enable the "Gold driver" or "Chrome driver" codes. Select either of those drivers, rookie level, and a manual transmission. Remain in first gear when the race begins and accelerate.

Unlimited fuel:
Select Grand Prix mode and enter the paddock screen. Set your car's fuel level as low as possible, then start a race. Unlimited fuel will be available on the next race.

Control the Camera During Replay:
(submitted by: regginoy)
Press C-Up to control the camera during replays. You can now control the camera by pressing UP and DOWN on the d-pad.