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Why no rear daytime running lights?

Why do the daytime running lights not operate at the rear? The number of cars I have seen over the winter period with poor visibility conditions that are being driven with only the front daytime light on. These are easily seen from the front but are hard to spot when following from behind.

I assume these drivers think that a light is on at the rear of the car thus negating the need for dipped light. Would it not make sense for manufactures to fit a low level light at the rear that switches off when the dipped light are turned on. In my view this would reduce the risk of a rear end shunt in poor weather.

Asked on 9 April 2013 by harrythebeagle

Answered by Honest John
They were never intended to work at the rear. But you are right, they do create a problem. Driver gets into the car when it is dark, sees that his lights are on and drives off at night on just his DRLs with no real lights showing.
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