window panel

I bought this truck a few months ago. All of a sudden the front passenger window wouldn't roll up from the passenger side. It worked from the driver side. Now it doesn't work at all. I have power windows

I am not sure what part or area to call it but I have seen posts related to this but can no longer find any. I am wanting to remove the black panels that covers the area between the front and back windows. I just need references to the posts that already exist or just instructions on how to...