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A daytime running lamp (DRL, also daytime running light) is an automotive lighting and bicycle lighting device on the front of a road going motor vehicle or bicycle. [1] It is automatically switched on when the vehicle's handbrake has been pulled down, when the vehicle is in gear , or when the engine is started, emitting white, yellow , or ...
[122] [123] In 2004, Audi released the first car with LED daytime running lights and directionals, the 2004 Audi A8 W12. [124] [125] In 2006 the first series-production LED low beams were factory-installed on the Lexus LS 600h / LS 600h L. The high beam and turn signal functions used filament bulbs. The headlamp was supplied by Koito Industries ...
LED daytime running lights on an Audi A4 (B8) Some countries permit or require vehicles to be equipped with daytime running lights (DRLs). Depending on the regulations of the country for which the vehicle is built, these may be functionally dedicated lights, or the function may be provided by the low beam or high beam headlights, the front turn ...
Running lights may refer to: Lights on vehicles designed to increase visibility while moving - see: Daytime running lamp, for increased visibility of vehicles during the day; Automotive lighting, for running lights for cars; Bicycle lighting, for running lights for bicycles; Navigation light, for running lights for aircraft, ships and spacecraft
These include headlights, which are used to illuminate the way ahead and make the car visible to other users, so that the vehicle can be used at night; in some jurisdictions, daytime running lights; red brake lights to indicate when the brakes are applied; amber turn signal lights to indicate the turn intentions of the driver; white-coloured ...
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Light trespass occurs when unwanted light enters one's property, for instance, by shining over a neighbour's fence. A common light trespass problem occurs when a strong light enters the window of one's home from the outside, causing problems such as sleep deprivation. A number of cities in the U.S. have developed standards for outdoor lighting ...
A lesser-known study, known as the Olson Report after the lead investigator in a 1979 University of Michigan study, [18] found that rider safety could be enhanced by wearing conspicuous clothing (especially yellow-green); using headlights in daytime, especially modulated headlights; and using running lights and wearing retro-reflective clothing ...