This is definitely not true. Teslas can absolutely go through a car wash. They do recommend touchless ones, but pretty much every manufacturer does.

I see this a lot and I really don’t understand it. Here I am on lemmy.world, replying to you on sh.itjust.works, on a post from lemmy.ml. Clearly neither of us are browsing just our local instance, and indeed I imagine most people are not. So what does it matter what instance anyone is on, beyond instance-specific defederations?