Originally Posted by khtso

In regards to the squeak from the seatbelt mechanism, I had this and solved it a few months back. It's from the plastic mechanism. The part that the seatbelt actually goes through is on a little swivel and the sound comes from that. I solved this by getting some WD-40 and shooting a tiny amount into the hinge (you may instead want to spray onto a paper towel and rub in in there or it may get all over). I did this several months back and the annoying sound coming from next to my right ear has never returned.