What’s even funnier about this post are some of the responses on how to remove the offending nut. These types of troll posts as the one from the OP are getting ridiculous on this forum.
Don’t think it’s a troll post - like I said, I had a quarter in that vent and thought “Who TF designed this ridiculous hole in the floor without a grate?”
Took me 2 weeks to figure out what it was - the car was brand new so I thought at first it was one of the horrific build quality problems this forum brainwashed me into believing.