[DSNAG]

Originally Posted by LifeTech

This is very aparrent on many Toyotas including my Highlander.
It usually wears off and stops dripping after a couple of seasons of hot and cold climates.

I've seen older cars with the apparent same problem and it ended up being a permanent stain. I guess it's something to watch out for. I have my first routine maintence coming up. I'll be sure to add it to my list.