You should post the make and model of your Rv to get best info. I think yours is like mine.
lots of posts on that style light. There has been a recall on some of them. You check the search function in the gold bar above.
On mine I used a butter knife as my fingernails are to short. Just pops off.
Looks like a circuit board to me with yellow spots that are the leds. Center post is the switch.