How can I remove the drivers side interior door trim(door card) on my new s?

I am trying to replace the drivers side door mirror on my new shape (2009) Ford Fiesta. To do this I must remove the interior door trim(door card) to get at electrics to plug in the mirror wiring. I can get the edge screws off but still cannot remove the door trim. It seems to be stuck centrally where the door closure grap handle is. I would appreciate help