[Scoundreller]

More advanced vehicles will also gently tap the brakes when you have your wipers on (or it detects rain) to keep them dry in case you need them.

"Brake Disc Drying"

https://www.reddit.com/r/eGolf/comments/dhll01/egolf_brake_d...

https://f30.bimmerpost.com/forums/showthread.php?t=1782553

You probably want your disk brakes to get nice and hot every once in a while.