Imagine wiping a dirty surface over and over again with the same rag. That’s essentially what wipers do and as you can imagine, it’s incredibly important to keep them clean. Using Autoglym Car Glass Polish is an awesome way to remove all the dirt from your blades to keep them cleaning like they should. Simply apply a small amount of Car Glass Polish to an applicator and run it over the blades a few times until they’re clean making sure to remove any left over residue once your done.