They are in clusters, luckily only on my trunk and rear bumper. Each on is about the diameter of a dime. Can't say I remember parking under any trees or telephone lines lately either.
Washing doesnt remove them. Claying will remove the ring, but not the center 'deposit.'
Any ideas?
Washing doesnt remove them. Claying will remove the ring, but not the center 'deposit.'

Any ideas?