I don't think they are doing some kind of preventative maintenance in their carwash. I came home after and I noticed tiny specs all over my trunk as I was unloading groceries. These spots were on the hood, roof, trunk, and upper portions of my sides. Looking closely they looked like rust, and research confirmed it. Pretty much anywhere the center roller hit, the specs were there. I tried a chemical the turns purple on contact with rust and tried it, but most of the spots stayed. I did more research, bought a speedy clay bar, detailing chemical, and microfiber towels. This worked perfectly. $11 carwash, $6 iron chemical, $35 clay bar set up. I don't believe I'll be back and recommend the same for anyone else. My car is a 2018 mustang that I've owned for 2 months and those spots weren't there before the carwash.
I would like to add that I posted a review on their FB page, and now review is gone. I tried writing another but it didn't show up. And now, here we are. read more