To clean your vinyl siding, use a soft cloth (or a soft bristle brush) and a general cleaner. Make sure the cleaner you use doesn’t contain any of the following, according to the Vinyl Siding Institute:
Organic solvents
Undiluted chlorine bleach
Liquid grease remover
Nail polish remover
Furniture polish or cleaner
After cleaning, rinse your siding thoroughly. For the best results, you can also hire a professional vinyl siding cleaner near you.