Disable arrow indicators
Before the character selection screen appears, hold R + Start.
If you entered the code correctly, the message "No Arrows" will appear in the lower left corner.
Disable destination indicator
Before the character selection screen appears, hold L + Start. If you entered the code correctly, the message "No Destination Mark" will appear in the lower left corner.
Expert mode
Before the character selection screen appears, hold L + R + Start. If you entered the code correctly, the word "Expert" will appear in the lower left corner. No stop or arrow indicators will appear in this mode.
Special Taxi
At the character selection screen, quickly press L, R, L, R, L, R or L + R, L + R, L + R. Then, select a character to drive a bike instead of a taxi.
Alternatively, complete all sixteen Crazy Box levels to unlock the Special Taxi for each character, which is selectable in crazy box, arcade, or original modes.
To select the bike in crazy box mode, scroll to the right of Gus at the character selection screen. To select the bike in arcade or original mode, press Up at the character selection screen.
Another Day mode
At the character selection screen, press R, then hold R while choosing a driver. If you entered the code correctly, the message "Another Day" will appear. This mode modifies various positions in the game.
Crazy Dash
Press Accelerate + Drive.
Crazy Stop
Press Brake + Reverse.
Crazy Drift
Press Left or Right while shifting as quickly as possible into Reverse, then back into Drive at a high speed.
Crazy Drift Stop
Execute a Crazy Drift, then immediately execute a Crazy Stop.