Stoner 91164 Invisible Glass Cleaner is the best-reviewed car window cleaner on the market, according to customer reviewers on Amazon.com. The product is rated an average of 4.7 out of 5 stars based on 259 reviews as of 2015.
The product is safe for use on all types of glass, including car windows, mirrors and other glass surfaces. It is designed to safely remove bugs, adhesives and grime, leaving windows completely free of residue. Stoner 91164 comes in both a liquid spray form and as an aerosol. The Stoner company offers a money back guarantee on its website to any customer who is not satisfied with the product.