How to Deal with Water in Car Headlights?
2 Answers
Methods to deal with water in car headlights: If there is condensation inside the headlight, you can turn on the headlights. Usually, after the headlights have been on for a while, the condensation will dissipate through the vent tube along with the heat, without causing any damage to the headlights or the electrical circuits. If there is a significant amount of water inside the headlight, it is likely due to a sealing issue. In this case, the entire headlight assembly needs to be removed for a thorough inspection of internal components for any damage. If damage is found, the headlight will need to be replaced. Car headlights, also known as car front lights or LED daytime running lights, serve as the 'eyes' of the car. They not only affect the owner's external image but are also crucial for safe driving at night or in bad weather conditions. Therefore, the use and maintenance of car headlights should not be overlooked.
After discovering water in the car headlights, I would immediately turn them off. Never continue driving with the lights on, as water conducts electricity and can easily cause a short circuit, damaging the wiring or bulbs. Then, use a dry towel to absorb the surface water droplets, followed by using a hairdryer on a warm setting from a distance for about ten minutes, or let the car sit in sunlight to air dry naturally. Afterward, carefully inspect the sealing strips on the light covers for signs of aging or cracks. If there are gaps, temporarily apply some tape as an emergency measure. For a long-term solution, you’ll need to replace the sealing strips or the entire headlight cover. Last time my car had water ingress and I didn’t address it promptly, the bulbs rusted completely and became irreparable. In short, after treatment, test the lights to ensure they work properly. If not, head to a professional shop for inspection. Also, be cautious when washing the car—avoid spraying high-pressure water directly at the light areas.
