Daytime running light

LED daytime running light on an Audi R8
LED daytime running light on a BMW 6 Series Gran Coupe

A daytime running light is an automotive lighting and bicycle lighting device on the front of a road motor vehicle or bicycle,[1] They come on when the vehicles handbrake has been pulled down or when the vehicle is put in-gear, They show a white, yellow, or amber light. They help other road users identify an active vehicle.[2]

References

  1. OECD, International Transport Forum (2013). Cycling, Health and Safety. OECD Publishing. pp. 168–169, 213. ISBN 9789282105955.
  2. Daytime running light European Commission

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