Crazy Taxi

Disable arrow indicators:
Hold R + Start as the character selection screen appears.
The message "No Arrows" will appear in the lower left corner to confirm correct code entry.

Disable destination indicator:
Hold L + Start as the character selection screen appears.
The message "No Destination Mark" will appear in the lower left corner to confirm correct code entry.

Expert mode:
Hold L + R + Start at the character selection screen.
The word "Expert" will appear in the lower left corner to confirm correct code entry. No stop or arrow indicators will appear in this mode.
(Information from Cheat Machine)