Oxidation: Acrylic headlights oxidize when exposed to UV light. Headlight lenses come with a clear top coat to help prevent this,
but eventually, the coating wears off, and sunlight turns the hard plastic yellow. …
The water droplets scatter the beam of light, further impairing nighttime and wet driving visibility.
Maintaining your Headlights:
How to Keep Headlights from Turning Yellow or Foggy.
1. Park your car in the shade:
If possible, park in the garage or under a shady tree.
If you don’t have that option, face your headlights away from the sun when parking outside to reduce UV exposure and slow the oxidizing process.
2. Wash your car:
Every three months, wash the headlights with automotive car wash to clean away dirt and chemicals that promote fogging.
3.Polish the headlights: Use a non-abrasive polishing medium and a microfiber cloth to polish your headlight lenses and remove early signs of yellowing.
To restore your headlights yourself, start by washing the lenses with automotive car wash so you have a clean surface to work with
. Then, try any of these techniques to remove the haze from your headlights.
Methods To Try:
1. Baking soda paste: Mix 5 tablespoons of baking soda with enough water to form a paste.
Apply liberally to both headlights with a sponge and polish with small circular motions. Rinse the headlights to reveal the results.
2.Toothpaste: Apply toothpaste directly to each lens. Scrub with a soft, dry cloth. Rinse the toothpaste away and enjoy the restored appearance of your headlights.
3. Heatlight cleaning kit from Auto supplier( but be warned they not cheap.