It is not glued. It has pins on the back that press fit into retaining clips. Open the pass. door and gently pry the trim off with a protected flathead screwdriver.
If you find where to buy individual pieces of the Myrtle wood trim let me know as the pass door arm rest on my car has cracked.
"It's not because I'm an aggressive driver, it's because I'm an idiot" actual quote from my wife.