go to the following location:


C:Program FilesElectronic ArtsNeed For Speed IIIGameDataCarModel

create a new folder for the new car, IN THE ABOVE DESTINATION. the folder usually has four letters of the car's name.
(e.g. honda civic= HoCi)
(toyota rav4= RAV4)
(Lamborghini Murcielago= LMIU)

you get the idea. and you'll catch on quick, too. i did! have fun!!!!!!!