What to Do When Headlights Get Foggy from Water Ingress?

1 Answers
LeRylee
07/29/25 5:48pm
Solutions for foggy headlights due to water ingress are as follows: 1. Turn on the headlights: This method works when the fogging is minimal and caused by temperature differences. Keep the headlights on for a while. The heat will help the moisture evaporate and escape through the vent tubes, which generally does not damage the headlights or electrical circuits. 2. Remove and reseal the headlight assembly: Open the sealant, remove the headlight, and carefully inspect the interior for any damage. If no damage is found, separate the lens from the assembly, dry and blow-dry each part thoroughly, then reseal with new sealant. 3. Replace the lens or entire headlight: This is necessary when the lens is damaged, allowing moisture to enter and form fog. Damage can occur from road debris, such as flying stones or foreign objects hitting the headlight while driving.
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