Go to "C:\Program Files\Lionhead Studios Ltd\The Movies"

Copy & Paste the folder named "Data"

Go to "C:\Program Files\Lionhead Studios Ltd\The Movies\Data\props"

Open "car.ini" & add the name "p_car_buick1968" at the end. Save & exit

Open "car_w_chry.ini" & add the name "p_car_buick1968" at the end. Save & exit