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It is the responsibility of a manufacturer of vehicles and/or vehicle lamps to certify that each motor vehicle and/or lamp is in full compliance with the minimum performance requirements of FMVSS 108. This is a self-certification process as opposed to the type approval process which is used in other lighting regulations such as UNECE Regulation 48.
The incandescent light bulb was for a long time the only light source used in automotive lighting. Incandescent bulbs are still commonly used in turn signals to stop hyper-flashing of the turn signal flashers. Many types of bulbs have been used. Standardized type numbers are used by manufacturers to identify bulbs with the same specifications.
Bulbs used for headlamps, turn signals and brake lamps may be required to comply with international and national regulations governing the types of lamps used. Other automotive lighting applications such as auxiliary lamps or interior lighting may not be regulated, but common types are used by many automotive manufacturers.
The regulations concern aspects such as lighting, controls, crashworthiness, environment protection and theft protection, and might include safety belts or automated features. Government regulation in the automotive industry directly affects the way cars look, how their components are designed, the safety features that are included, and the ...
The United States and Canada (apart from Lighting Regulations) are the two significant exceptions; the UN Regulations are generally not recognised and UN-compliant vehicles and equipment are not authorised for import, sale, or use in the two regions, unless they are tested to be compliant with the region's car safety laws, or for limited non ...
Part 537: [85] Automotive fuel economy reports; Part 538: [86] Manufacturing incentives for alternative fuel vehicles; Part 541: [87] Federal motor vehicle theft prevention standard; Part 542: [88] Procedures for selecting light duty truck lines to be covered by the theft prevention standard; Part 543: [89] Exemption from vehicle theft ...
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[37] [38] Cost–benefit requirements have been used as the basis for lighting-related regulation in the U.S; for example, while many countries in the world since at least the early 1970s have required rear turn signals to emit amber light so they might be distinguished from adjacent red brake lamps, U.S. regulations permit rear turn signals to ...