Yes you do. The instructions tell you to
I just need to do it, I got a bunch of things I want to do, but its a matter of being in the mood or having time for it, such as a lego lighting project of mine, things just not gone to plan in some ways, but now the days are drawing in, I'm planning to spend some time working on the project, when the bricks arrive to aid this project of mine and I've already eyed my future lighting projects, but first I'll complete the ones I've been nelecting for months, so gluing those panels into place, will come at some point, when I'm ready to do it as when I open the Super glue tube, I would use a bit of the glue and left with the rest and it dries out despite the lid being on and becomes useless to me, which is a downside of Super glue