'Another Day'
At the character selection menu, hold R while choosing your driver. The words 'Another Day' will appear to confirm the cheat has been entered successfully. This cheat changes various positions in the game.
Submitted by Joshua. 

Expert Mode
Before the character selection menu opens, hold Start + L + R. The word 'Expert' will appear to confirm the cheat has been entered successfully.
Submitted by Joshua. 

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