Using a bug spray on your headlights can certainly reduce yellowing and cloudiness, and lots of people view this home remedy as an instant fix. Many bug sprays contain DEET, a potent chemical that can strip away that cloudy layer and leave your headlights sparklingly clean. Off!

Does WD 40 really clean headlights?

Can WD-40 be used to clean foggy headlights? In case you have an upcoming car test, and you are wondering if you can quickly defog your headlights for approval, the answer is yes! It can be used as a car headlight cleaner.

How can I make my headlights clear again?

Use Toothpaste to Make Headlights Clear

All you need to do is apply toothpaste liberally to the affected area using a clean rag or even an old toothbrush. After you have rubbed the toothpaste in well enough, give it a rinse and a rub down with another clean rag and your Toyota RAV4 headlights will look good as new.