It’s a good idea to replace your wiper blades at the same time.Apply a second coat to ensure consistent coverage for the best performance.This will give it enough time to properly bond with the windshield. Use a clean microfiber towel to buff away the haze left by the Rain X after 10 or 15 minutes.You should see the Rain X create a haze on the glass. I work in small areas and slowly work my way across the windshield. Apply a small amount of Rain X to a microfiber towel and begin wiping onto the windshield in a circular motion.If it’s below 40 degrees it’s too cold and you’ll need to either wait for warmer weather or find a garage with a heater. Don’t try to apply Rain X if it’s too cold out.Find a shaded area such as a garage to work in if possible. Too much heat can affect the bonding process. Avoid direct sunlight when you’re applying Rain X.Be sure and go back over the windshield thoroughly with a glass cleaner to remove any of the clay lubricants before you try to apply any rain repellent. If your windshield glass feels rough and more like sandpaper than windshield should feel you probably need to use a clay bar to remove the contaminants stuck to the surface of the glass. If your car is older and you have neglected properly cleaning it for some time you may need to do a deeper cleaning.

It’s a good idea to wash your car first but it isn’t necessary if you’re using a good glass cleaner. Usually, a good glass cleaner like Stoner’s Invisible Glass is more than enough to get your windshield clean. Thoroughly clean your windshield before applying Rain X or any other rain repellent product.Here are some steps to follow to make sure you do the best job possible. If you don’t you could end up with inconsistent performance across the windshield. It isn’t a difficult job but you do want to be thorough when you apply it. Streaks can occur if Rain X isn’t properly applied.

Rain x wiper blade guide