i have completed the game and there is no cheats

at india

There are no cheats

There are no CHEAT MENU. But I have one cheat.
While racing in any track, go to the pause menu and follow my cheat!
hold L and then, square, triangle, x, square, triangle, x
that will give you, um... just enter this cheat and you will what is the effect!

I'm back! But there is still no cheat menu! I have brought back more cheats for you!
In the main menu, press this code in order!
X, square, circle, circle, circle, triangle, square, X that will give you unlimited
nitrous.
hold L then press in the main menu, triangle, square, X, circle, triangle, X, square,
triangle, circle, X will give you all (all cars, including Fabulous Hudson Hornet, all
paint jobs and modes)and the other one is
from the MAIN MENU, hold L and press X, Square, Triangle, X, Triangle,
Square that will give you, the Reserved Speedway Track! It is a bonus you know! Oh! And By
The Way, the cheat that I just told you,( you know, the hold L and then, square, triangle,
x, square, triangle, x)the effect is it will give you unlimited boost! Well it is up to
here my dear old (I meant new) friends, till next time! :-)