Leon, thanks much!
I believe your first response was "rearward". I got an email alert from the forum and I saw that first before coming here. So, tight on time, I began tugging rearward, to no avail. Damn, Leon must be pretty strong! I reached-in there to feel for those tabs and began to wonder if it might be forward, lol.
It's out.
I think I might have a blown an in-line fuse for my backup camera. I was hoping it would be in that bundle behind that panel. Nope and damn. I'll need to pull the center bezel again to get to the HU...
Thanks again!