Thanks @JR RS, not what I wanted to hear, but I thought that might be the case. We really need that legislation about designing for repair and maintenance to get moving, so silly!
Thanks for the picture, do you have anything which shows how the tweeter panel is attached?
I have seen some posts about removing the door card - looks like you have to release the locking nut at the bottom and 1 screw under the electric window controls, then use a prising tool to release the door card. Will that give sufficient movement to take the tweeter panel off? Or do I need to take out the panel with the electric window controls? I am hoping I don't have to release any of the connections.
Thanks again!