'The Simpsons: Hit & Run' Cheats

Use these cheats in "The Simpsons: Hit & Run" on the Nintendo GameCube for secret features, vehicle unlocks and other bonuses.
Enter these cheats through the Options menu. A car horn sound indicates that code entry was successful.

Effect                          Cheat Code
------------------------------  -------------------------------
Alternate credits music         Hold L + R and press A, X, X, Y
Unlock secret red brick car     Hold L + R and press B, B, Y, X
Instantly blow up vehicles      Hold L + R and press Y, Y, X, X
Faster cars                     Hold L + R and press X, X, X, X
Super fast cars                 Hold L + R and press Y, Y, Y, Y
Unlock all vehicles             Hold L + R and press A, B, A, B
Grid view                       Hold L + R and press B, A, B, Y
Indestructible car              Hold L + R and press Y, A, Y, A
Unlock additional camera angle  Hold L + R and press B, B, B, A
Jump using horn button          Hold L + R and press X, X, X, Y
Psychedelic view                Hold L + R and press Y, B, Y, B
Display speedometer             Hold L + R and press Y, Y, B, X


credit:   https://www.lifewire.com/simpsons-cheats-gamecube-3400564