Daytime running light

A daytime running light is an automotive lighting and bicycle lighting device on the front of a road motor vehicle or bicycle, 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.

References

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

Other websites

Headlights overview Insurance Institute for Highway Safety (IIHS)

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[1] OECD, International Transport Forum (2013). Cycling, Health and Safety. OECD Publishing. pp. 168–169, 213. ISBN 9789282105955.

[2] Daytime running light European Commission