Win Pursuit 1 by destroying the criminal's car before it gets away to unlock the police
car. The police car has maximum top speed, average control, and good acceleration.

Get all gold medals in every race and win everything in the first championship to unlock
the Custom Championship. There will be about six more cars that you can unlock.

Win Pursuit 6 to unlock the Custom Muscle car.

Win Pursuit 5 to unlock the Custom Pickup truck.

Win Face Off 1 to unlock the Hot Rod car.

Complete Driving 101 with all gold medals to unlock the Drivers Ed car.

Win all the face offs in the first championship.

Win Pursuit 4 to unlock the Custom SUV.

This trick works in one player and two player modes. When you are doing the crash zones,
at the start immediately hold R for a boost. After a few seconds, press it again. This
should give you more boost, which results in a faster speed and better crashes. Repeat
this as many times as desired.

Unlock any cheat and the "Cheat Mode" selection will appear at the options screen.
Note: Races will not be counted as wins with any cheat activated.