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UN Regulation 37 covers motor vehicle filament lamps. These are categorized in three groups: those without general restriction that can be used in any application, those acceptable only for signalling lights (not for road illumination lamps), and those no longer allowable as light sources for new type approvals but still permitted for production as replacement parts.
Audi showed the Audi Nuvolari concept car with LED headlights in 2003. [119] [120] [121] Automotive headlamp applications using light-emitting diodes (LEDs) have been undergoing development since 2004. [122] [123] In 2004, Audi released the first car with LED daytime running lights and directionals, the 2004 Audi A8 W12. [124] [125]
Full-voltage vs. parking light headlamp on European-market Volkswagen, 2007. Depending on prevailing regulations and equipment, vehicles may implement the daytime-running light function by functionally turning on specific lamps, by operating low-beam headlamps or fog lamps at full or reduced intensity, by operating high-beam headlamps at reduced intensity, or by steady-burning operation of the ...
LED flashlights and headlamps for people were available. [35] In 2006, some of the first LED spotlights for use in stores were released. [41] In 2007, Audi was the first car manufacturer to offer headlights that solely used LEDs, used in the Audi R8. [42]
Halo headlights were originally designed and first used by BMW on the 2001 BMW 5 Series (E39), a luxury sports sedan which soon entered Car and Driver's "10Best list". This was a breakthrough: halo headlights not only served as daytime running lights, but also created a revolutionary look that gave a sharp stance to a vehicle's front. BMW's ...
Only emergency and police vehicle may use blue lights. This includes firefighters, rescue services, emergency response vehicles for public utilities and civil defense units. All other kinds of blue lights (e.g. car floor lighting or cab interior lights), including reflective stickers or paintings, are illegal on public roads. [38]
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