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I also use novus and plexus, both are good. They have a special oil compound that does not scratch the windshield over repeated cleanings. If you just use soap and detergent then I promise you that you will have small scratches on the windshield that cannot be removed. After three years and 20,000 miles my windshield looks brand new.
PS: plexus is used on the cockpit plexiglass of f-15 aircraft for the same reason....
I also use novus and plexus, both are good. They have a special oil compound that does not scratch the windshield over repeated cleanings. If you just use soap and detergent then I promise you that you will have small scratches on the windshield that cannot be removed. After three years and 20,000 miles my windshield looks brand new.
PS: plexus is used on the cockpit plexiglass of f-15 aircraft for the same reason....