Safe Speed Forums

I keep seeing cars at night with two blue lights showing through the windscreen. I always believed that blue lights could only be used by the police etc. Why do some cars have these blue lights, are they legal, and what purpose do they serve?

They enable you to spot that a car is being driven by a moron and give it a wide berth

You also see blue illuminated washer jets and even - on one car - a kind of under-spoiler half way between front and rear wheels with a line of blue LEDs along it.

AIUI they are not specifically illegal - the only prohibition is on showing a red light at the front.

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"Show me someone who says that they have never exceeded a speed limit, and I'll show you a liar, or a menace." (Austin Williams - Director, Transport Research Group)

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