GREENSBORO, N.C. — You might have seen life hacks online that say you can clean off your headlights with bug spray or toothpaste. But do they actually work? We did the experiment for you. We used OFF!

Your headlights are meant to give you a wide, clear beam of light at times of low visibility, but they can’t do their job if they’re dirty. Fogged-up or dirty headlights aren’t as effective as they ...

Do you notice your headlights just don't illuminate the road like they used to? Are the headlights cloudy or yellowed? All modern cars have headlights with plastic lenses and replaceable bulbs ...

For do-it-yourself vehicle maintenance, one of the most common ways to restore fogged-up headlights is by using toothpaste. Although toothpaste is primarily used for cleaning teeth, its mild abrasives ...