i took out that panel today actually, i was trying to fix some rattling noise coming from there

anyway, since nobody else has replied for how to do it, i will
there should be 4 clips (shown in the red circles)
you should just start by getting a flathead screwdriver, cover it in a cloth (so you dont scratch anything),
then start prying at the points marked with the green arrows.
you dont need to do use too much force, being gentle will be sufficent

after the bottom has popped out a bit, start prying from the top and the respectively positions.
and after you remove the panel, it should look like this: