I've worked on warning stickers before and can tell you that spending $50,000 to approve one is not much. Between Engineering and lawyers time. Not cheap
My 24 quit doing it with an update sometime around the end of the year. It hasn't done it since. My 22 did it the entire time I owned it. The 24 did for about 8 months then it stopped about Christmas time
Same one I have I just didn't put the foam across the front because it seemed to seal without it. I think I paid $169, then bought one for the wife's. Both happy so far. Much better than the factory one I had on my 22.
Last oil change at the dealer my truck was pretty muddy and full of tool bags from a trip to the cabin. They wash it every time they do anything to it so I wasn't worried. The guy who did the change said it's nice to see a truck being used as a truck and had the kid washing run it through twice...
At 0 outside last week within 10 minutes it had melted the windshield and I couldn't see my breath inside. It started after less than a minute and I always set it on MAX when I get out.