Complete the described tasks to unlock the corresponding option in the "Special" menu, under "Help & Options".

Option	How to unlock
Another Day Mode	Complete all "1-x" stages in Crazy Box.
Rickshaw Bike	Complete all "3-x" stages in Crazy Box.
Toggle speedometer	Complete all "1-x" stages in Crazy Box.
Turn Arrow on and off	Complete all "2-x" stages in Crazy Box.
Turn Destination Mark on and off	Complete all "2-x" stages in Crazy Box.