Get your name on hotlists, scroll down to the bottom and hold left for about 35 seconds. A head should roll by saying "I love this job!!" Now while in a race press Brake, Brake, Brake, Gas, Brake, Gas. NOTE: this only will work if you have your car updated to the fourth level.
Do the first steps of the above cheat only press Brake, Brake, Gas. NOTE: This only works with the police car and the bus and you dont have to have them on the fourth level.
At the select screen press and hold Left C, Bottom C, and L (shoulder button.) You will see that now Golden Gate Park is one of your options.
At the same place as above press and hold Top C, Right C, and L (shoulder button.)
Same place only hold Right C, Bottom C, and L (shoulder button).
Most people know this one by now but here it is: At the "Car Select Screen" press and hold Top C, Right C, and Bottom C ans move the curser around to see the Jeep, the Police Car, and the Bus.
When driving the ATV on courses with gravel or dirt on the side of the road, you can achieve 5 to 10 mph higher top speed. In order to do this you must have part of the ATV riding on the stuff on the side of the road and part of your car on or very close to the road. If done correctly see your speed jump up and pass all those cars that were going as slow as you were before.