Cheat Codes
In the options menu hold L + R and enter the following:
Code - Effect
Y, Y, X, X - Blow up vehicles in one hit
X, X, X, X - Faster cars
Y, Y,Y, Y - Fastest cars
Y, A, Y, A - Infinite car health
X, X, X, Y - Press horn to do a huge leap in your car
B, B, B, A - More camera angles
B, A, B, Y - Grid mode
A, B, A, B - All reward Cars
A, X, X, Y - Credits
Y, Y, B, X - Speedometer display
B, B, Y, X - Red Brick Car
Y, B, Y, B - Tripping mode
A, A, A, A - Night time mode
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.
Easy "The Fat and Furious" mission
Before talking to Carl to begin the "The Fat And Furious" mission, park your vehicle so that half if it is inside and half of it is outside if the power plant entrance from the parking lot. Talk to Carl. If done correctly, when the mission begins, the car will be half way through door which would usually stop you from going through. You can now get in and drive through the plant straight to Burns' mansion.
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.