Based on SLR-73-07/Rev.1 including LUPC-01-03, this consolidated and amended text of UN R48 defines uniform provisions for vehicle lighting and light-signalling device installation. The regulation establishes requirements for vehicles of categories M1–M3, N1–N3, and O1–O4 regarding lamp presence, positioning, geometric visibility, orientation, electrical connections, and tell-tales. Key additions include energy status indicators providing charge status information via white, amber, red, selective-yellow, indicator blue, or indicator green light; lamp test mode enabling user-performed visual function checks of lighting systems; and enhanced driver assistance projections. Transitional provisions establish type-approval acceptance deadlines with mandatory application dates from September 2027 for M and N1–O2 vehicles and September 2028 for N2–O4 vehicles.
Presentation on the status, open issues, and next steps in the project to standardize selected terms used in UN Regulations and Global Technical Regulations with regard to vehicle propulsion technologies.
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