Simpsons: Hit and Run Cheats

Invincibility
At the options screen, hold L + R and press Y, A, Y, A. If you entered the code correctly, you will hear the sound of a horn.

All bonus cars
At the options screen, hold L + R and press A, B, A, B. If you entered the code correctly, you will hear the sound of a horn. Note: You must have first completed all missions.

Fast cars
At the options screen, hold L + R and press X(4). If you entered the code correctly, you will hear the sound of a horn.

Very fast cars
At the options screen, hold L + R and press Y(4). If you entered the code correctly, you will hear the sound of a horn.

Red brick car
At the options screen, hold L + R and press B(2), Y, X. If you entered the code correctly, you will hear the sound of a horn. The secret vehicles normally found in each level will now be a small red brick car.

Super jumps
At the options screen, hold L + R and press X(3), Y. If you entered the code correctly, you will hear the sound of a horn. Sound the horn to jump extra high.

Instant vehicle explosions
At the options screen, hold L + R and press Y(2), X(2). If you entered the code correctly, you will hear the sound of a horn.

Display speedometer
At the options screen, hold L + R and press Y(2), B, X. If you entered the code correctly, you will hear the sound of a horn.

Grid view
At the options screen, hold L + R and press B, A, B, Y. If you entered the code correctly, you will hear the sound of a horn.

Alternate views
At the options screen, hold L + R and press B(3), A. If you entered the code correctly, you will hear the sound of a horn.

Psychedelic view
At the options screen, hold L + R and press Y, B, Y, B. If you entered the code correctly, you will hear the sound of a horn.

Alternate credits audio
At the options screen, hold L + R and press A, X(2), Y. If you entered the code correctly, you will hear the sound of a horn.

New Year's theme
Set the system date to January 1st to see various things in the game change to a New Year's theme.

Halloween theme
Set the system date to October 31st to see various things in the game change to a Halloween theme.

Thanksgiving theme
Set the system date to the last hursday in November to see various things in the game change to a Thanksgiving theme.

Christmas theme
Set the system date to December 25th to see various things in the game change to a Christmas theme.

Itchy And Scratchy cartoon
Collect all cards in the game then go to... 

Go to the squidport and jump into the ocean using the Horn jump code, you can land on the water and do plentiful flips and spins.

1st LEVEL - Rocket Car outside (close to) Mr.Burn's Mansion.
2nd LEVEL - Monorail - The First Car of the Broken Monorail System.
3rd LEVEL - Boat - on the big cruise liner inside the green box.
4th LEVEL - 4 WHEELER - On the left of one of the trailers in the
trailer park.

5th LEVEL - At  the stadium jump from the fountain up to
the Monster Truck.
6th LEVEL - DONT KNOW I HAVE YET TO FIND IT.
7th LEVEL - NEXT TO THE BIG ACCIDENT ATOP THE KRUSTY BURGER IS A RC
CAR

Go to the options menu. Now hold L + R then hit Y, Y, Y, Y.

At the place with the spinning globe,fall somewhere by there,there is a pink car where the back goes straitly and up

Faster Money Collection
Whenever possible, drive through crates and phone booths rather than kicking them, as you won't have to waste time running around and picking up your loot.
Different Camera
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press B, B, B, A to activate the cheat. A horn will confirm entry.
Faster Cars
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press X, X, X, X to activate the cheat. A horn will confirm entry.
One-Hit Wrecks
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press Y, Y, X, X to activate the cheat. A horn will confirm entry.
Pressing Horn Button Jumps
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press X, X, X, Y to activate the cheat. A horn will confirm entry.
Much Faster Cars
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press Y, Y, Y, Y to activate the cheat. A horn will confirm entry.
Unlock Red Brick Car
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press B, B, Y, X to activate the cheat. A horn will confirm entry.
Grid View
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press B, A, B, Y to activate the cheat. A horn will confirm entry.
Show Speedometer
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press Y, Y, B, X to activate the cheat. A horn will confirm entry.
Trippy View
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press Y, B, Y, B to activate the cheat. A horn will confirm entry.
View Credits
At the main menu (the livingroom), go to the options screen. Hold down L+R, then press A, X, X, Y to activate the cheat. A horn will confirm entry.

Whenever possible, drive through crates and phone booths instead of kicking them because you won't have to waste valuable driving- knocking over- escaping time picking it all up!

To hitch a ride its better then driveing you have the person drive for you! It's easy you jump on the car you wait till he or she get near you want to go.

Pause the game an and hold:
L R
and press:
b a b y

Set the system date to December 25th to see various things in the game change to a Christmas theme.

on homers level where u race smithers push carl into the entrance of the power plant then talk to him you will be in the tunnel and will be able to beat smithers to burns house even in the slowest cars.

When you buy different costumes, in each level the character you select will react differently when you allow him or her to remain idle. For example, choosing Bartman will have Bart jump up and fly around for a few seconds.

In the options menu hold L1+R1 and enter the following:

Triangle, Triangle, Square, Square - Blow up vehicles in one hit
Square, Square, Square, Square - Faster cars
Triangle, Triangle, Triangle, Triangle - Fastest cars
Triangle, X, Triangle, X - Infinite car health
Square, Square, Square, Triangle - Press horn to do a huge leap in your car
Circle, Circle, Circle, X - More camera angles
Circle, X, Circle, Triangle - Grid mode
X, Circle, X, Circle - All reward Cars
X, Square, Square, Triangle - Credits
Triangle, Triangle, Circle, Square - Speedometer display
Circle, Circle, Triangle, Square - Red Brick Car
Triangle, Circle, Triangle, Circle - Tripping mode