bi0boy
Power User
Fog Lights (a rant)
Why is it that so many people don't seem to be able to use fog lights appropriately?
Having front fog lights on in addition to headlights do not help you be seen! They may help you see in very dense fog where there are no streetlights. However they may also dazzle other people and may give someone the impression that you are two cars instead of one.
The law says you should not use front fog lights when:
a) Used so as to cause undue dazzle or discomfort to other persons using
the road.
b) Used so as to be lit at any time other than in conditions of
seriously reduced visibility (<100 meters according to highway code)
Rear fog lights help you be seen, but they are only useful when visibility of your normal rear lights is less than the stopping distance of the car traveling behind. However they may be mistaken for brake lights, might make your real brake lights less easy to see, and can dazzle those traveling behind. They are of little use in urban settings or when you can see a car traveling behind you at the same speed.
The law says that rear fog lights should not be used when:
a) Used so as to cause undue dazzle or discomfort to the driver of a
following vehicle.
b) Used so as to be lit at any time other than in conditions of
seriously reduced visibility. (<100 meters according to highway code)
So if you can see a cars headlights 100 meters away you should not have your fog lights on.
Why is it that so many people don't seem to be able to use fog lights appropriately?
Having front fog lights on in addition to headlights do not help you be seen! They may help you see in very dense fog where there are no streetlights. However they may also dazzle other people and may give someone the impression that you are two cars instead of one.
The law says you should not use front fog lights when:
a) Used so as to cause undue dazzle or discomfort to other persons using
the road.
b) Used so as to be lit at any time other than in conditions of
seriously reduced visibility (<100 meters according to highway code)
Rear fog lights help you be seen, but they are only useful when visibility of your normal rear lights is less than the stopping distance of the car traveling behind. However they may be mistaken for brake lights, might make your real brake lights less easy to see, and can dazzle those traveling behind. They are of little use in urban settings or when you can see a car traveling behind you at the same speed.
The law says that rear fog lights should not be used when:
a) Used so as to cause undue dazzle or discomfort to the driver of a
following vehicle.
b) Used so as to be lit at any time other than in conditions of
seriously reduced visibility. (<100 meters according to highway code)
So if you can see a cars headlights 100 meters away you should not have your fog lights on.


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