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Because the lights are so bright

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Q: Why can the beams of a car's headlights be seen in fog?
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Should you use your high beam headlights to be seen even in foggy conditions?

You should not use your high beams in the fog. Your high beams will reflect off of the water in the air from the fog making it even harder to see.


When driving in fog you can see better by?

Using low beam headlights and front facing fog lights.


If you must drive in the fog slow down and turn on your what lights?

Turn on your fog lights, which is a less-direct lighting positioned below (or in some cars, within) your headlights. Also, keep your headlights on low-beam, high beams can blind yourself, or other drivers, which may cause an accident.


Lower highlight beams must be used when?

Your headlights should be set to low-beams whenever you meet oncoming traffic, as a courtesy to prevent your headlights from distracting the other driver. You should also use low beams when driving in fog or heavy rain, to prevent light reflected by the rain or fog from blinding YOU.


Why dont high beam and low beam headlights stay on together. Lights work but low beams turn off when high beams are on.?

In most cases the high and low are separate elements in the same bulb and cannot work at the same time. Headlights pull a lot of power and to have them run together would be too much for your charging system to handle at once, not to mention the heat they would produce. Fog Lamps and Low beams and Fog Lamps and HI beams. Fog Lamps and HI beams, in many states, you are not permitted to run HI Beams and Fog / Driving lamps simultaneously. There is an SAE directive on this. There is either a relay or DRL module that prevents the Fog/Driving lamps to be energized when the HI beams are activated.


If you must drive in the fog should you turn on your high beams?

NO! you shouldn't because if you're driving in the fog...especially at night, and you turn your high beams on, the light coming from your headlights will hit the fog and bounce right back at you and you won't be able to see anything very well. the best idea is to just keep your low beams on.


When driving in fog what light beam do you use?

Unless you have fog lights which are specifically designed for the purpose you are better of using your low beam. As using the high beam will tend to bounce light back at you causing you not to be able to see as far into the fog and being less able to discern oncoming objects and lights.Low beam headlights, low beam headlights & fog lights or just fog lights unless its night time.lower headlightsLow beams, fog lights or both. No high beams.low beams


How can you see the beams of light from a car's headlights in fog or smoke?

the smoke reflects the light to your eyes then you see the smoke as a handicap for vision


You should use the high-beam headlights to see and to be seen. Even in foggy conditions use the high beams.?

Not true. Hi beam lights shine higher above the ground. They will reflect back at you from fog and make it harder to see. Low beams shine lower and are not reflected back at you.


Should you use your low beams or high beams when driving in fog?

You should use low beams when driving in fog. It is more difficult to see driving with high beams in fog.


What is the explanation for the tyndal effect?

it is easily seen with car headlights going through fog. have fun


Why is it difficult to drive through fog using high beams instead of low beams?

Because high beams light up the fog more. Low beams have a better chance of lighting underneith the fog.