Taxi Bike
At the character select screen hit the L and R buttons three times quickly. You will now be able to drive a fast taxi bike. If you can't get this trick to work -- you can also gain access to the bike once you beat all Crazy Box challenges. Simply press Up at the select screen to get it.

Turn Off Arrow
To make the arrow that points you to your next destination disappear, hold R and press START before you see the character selection screen. "No Arrows" will appear on the screen if entered correctly.

Turn Off Destination Mark
To switch off the glowing square that indicates your destination, press and hold L, then press Start before you see the character selection screen. "No Destination" will appear onscreen if done correctly.

Unlock Another Day
To shake things up in the city and play "Another Day," press and hold R. Keep holding it until you choose a taxi driver. Once you do, you'll see "Another Day" onscreen, indicating correct code entry.

Unlock Expert Mode
To unlock the special Expert Mode, press and hold L and R, then press START before you see the character selection screen. "Expert" will appear onscreen if done properly.