thank you all for helping me

i want to do a speedrun of this game, but i can't . I've tried to copy what other players do on their speed runs but i'm not able to do these things! at the start of the game i pick the car or the faggio, and i get to hotel from the hotel i get to the " L " and start party mission, then i try to get the violence mission and hit REPLAY BUTTON then i take the clothes. I steal the freeway and go to get the pcj600, i start the colonel cutscene and the pcj disappear, so i take the nearest sport car and take the girl to pole position club. In FURY JURY nothing happens and i must destroy all cars by myself. Help me please, and sorry for my english i'm italian ahaha