Took the opportunity to look deeper into the crack/pop/snap sounds that so often occur from the dash/Stereo area. Seems obvious, but if u remove the cover (on top of HVAC and Head unit) theres a heck of a lot of plastic parts sticking out from the dash and on the back side of the cover, not just clips, probably to keep the cover from pushing further back when installed to keep the controls etc. flush with the cover.
Anyway, I put a couple of adhesive back foam tabs directly ON a few spikes , just lightly attached on the ends (for lack of better word) on both back of cover and dash facing up surfaces. I then sprayed the entire back of the cover with plasti-dip, not too thick, believing that with little bit of flexible surface texture, it might help. Re-installed everything.
Outcome: Definitely alot less crack/pop/snap sounds, almost none at all, whether im on smooth or bumpy or uneven roads. In tapping the cover, it seems more solid,, and doesn't creak or give when I push on it. Seems if you can get some of this stuff in between hard plastic to hard plastic surfaces, it would mimic what probably occurs if you had squishy dash/console pieces to begin with.