Simpsons: Hit and Run, The,The Simpsons: Hit and Run PS2 Cheats

At the Options screen, hold L1 + R1 and enter the following:  
Invincibility:
   Triangle, X, Triangle, X  
Faster cars:
   Square, Square, Square, Square  
Much faster cars:
   Triangle, Triangle, Triangle, Triangle 
Instant explosion:
   Triangle, Triangle, Square, Square 
 Super jumps:
   Square, Square, Square, Triangle. Use the horn to jump. 
 Alternate view:
   Circle, Circle, Circle, X 
 Show speedometer:
   Triangle, Triangle, Circle, Square.  
 Grid view:
   Circle, X, Circle, Triangle 
 Freakout view:
   Triangle, Circle, Triangle, Circle 
 
Itchy and Scratchy Cartoon: 
 Collect every card in the game and go to Lisa'a level. In the Android's Dungeon, talk to the Comic Book Guy and buy a ticket for the cartoon. Then, go watch the cartoon at the Aztec Theater. 
New Year's Theme: 
 Set the system date to January 1st. 
Halloween Theme: 
 Set the system date to October 31st. 
Christmas Theme: 
 Set the system date to December 25.

How to get Mr.Burns Limo: 
In level 7 go over and talk to Mr.smithers he is over at the Kwik-e-Mart complete the mission he gives you and you will get it.
How to get the Hover bike: 
In level 7 go and talk to the car seller there you can buy it for 1000 coins
 

 
 
  
Thanks to Revolution readers Butterman,MR-esc and Mark87!