Want to try it? Here’s how: Clean your dirty headlights with soapy water. It's important to remove dirt and debris. Spray a small amount of WD-40 directly onto the headlight lens or (preferably ...

Start with a clean surface ... off any excess dirt or grime before proceeding. Spray WD-40 on a dry towel and rub it lightly over each headlight in a left-to-right motion, concentrating on ...