As above I need to change the damaged exterior door/window trim and it looks like I have to take the door card off, so any help will be appreciated before I break everything

 

First remove door handle do this bye removing little clip hiding a screw in place.Then
there is plastic clips all round the bottom of the door and up both sides prize these off bye putting a small screwdriver between the door and panel.Then the top of the panel is wedged in between the rubber and glass bye 3 metall clips just bang it up from the bottom. then unclip electrics from swithes.

 

Thanks mate thats a great help