Should come off with pretty good ease if the car was waxed. How much
paint is on it, and where is it located? Is it just splatter?
I'd try a Meguire's swirl remover (#9 bottle, I think) to start, and
work to more agressive cuts if required.
I used to work in the lab for the DOT and some of that may come off with
toluene (test to be sure it won't damage the paint on some underside spot).
It's dangerous stuff, so I don't know where you can find it.
First off you are going to hurt the red paint. Not so much that it can't be
polished out so don't sweat it. The line stripe paint is very quick to set
so it should have been nearly dry when it hit your paint and should not
stick on to strong when it got there. Take a sharp edge credit card and sort
of shave the spots off. Don't make long strokes and keep some water running
over your work area to clear the paint as it comes off. You'll be pushing
the dots off, not scraping the paint to knock off the dots. Wipe the card
edge clean often and don't rush it and it will come out with a few small
scratches that can be polished out and not even require buffing, (more
abrasive than polishing).
Good luck and let us know how it works out for you,
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