I got gamshark wheel and pedals for ps3 ?..?

May be...

i got gamshark wheel and pedals for ps3 ?.. and i just got it and i tried motorstorm out on it and gas pedal was nos and brake was horn????? how do i fix this???????????????????????????

Change the button configuration on the steering wheel itself. There should be a button that says program. At least there is for MAD CATZ. I like SIXAXIS on that game though.