Quote:
Originally Posted by Gabreigns
Driving in the snow belt and if behind truck or other traffic, they shoot up a lot of road grime and road salt and it gets caked in the front of the car. These high pressure washers clean the headlights on the go. I found them very useful numerous times without having to stop to clean the headlights that get dull because of layers of dirt and salt on a long journey. Also useful when going off road and back roads which we do.
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I thought it was because LED headlights do not get as hot therefore they dont warm the headlight covering in which snow sticks to. Therefore they are not needed for the newer lights
On a longer trip i would usually wipe the headlights anyways when stopping at rest stops for refueling, etc..