Changing the superstar style on the fly...

I cant do it at first i thought that my controller is the reason. but no. how to change FSS in the game and how to unlock x-factor ? pressing the analog stick doesnt help

Sorry for my bad english.

press L1 or L or button 5 on logitech controller + right anolog click

Can I do it with the keyboard by editing the kfg ??

for keyboard hold the FSS trigger and jus press the off-ball button to swith between

Thanks man