pros use masking to keep it off in the first place.

Second good choice is to replace the stained siding

third is to try some paint remover - but that may change the texture/finish onthe vinyl by attacking iot also. Maybe a strong citrus type paint remover would be a good compromise.

Excellence is its own reward!

You have several options. First, check the can for instructions. Second, ask someone at the store you bought it. Third, contact the manufacturer either by phone or web.

Usually, oil based products can be removed from non-porous surfaces with common solvents such as paint thinner or lacquer thinner. Test on a small area first to be safe. Follow safety guidelines on the solvent label before using.

Thank you!