Matakan da ke ba da haske na taimako a kusurwar hanya kusa da gaban abin hawa ko gefe ko bayan abin hawa.Lokacin da yanayin haske na yanayin hanya bai isa ba, hasken kusurwa yana taka muhimmiyar rawa a cikin hasken wuta kuma yana ba da garanti don amincin tuki.Irin wannan fitilun musamman ga yanayin yanayin yanayin hasken wuta ba su isa wurin ba, suna taka rawar gani a hasken wuta.
Inganci da aikin fitilun mota da fitilun suna da mahimmancin mahimmanci ga amincin motocin, ƙasarmu ta ƙirƙira ƙa'idodin ƙasa bisa ga ƙa'idodin ECE na Turai a 1984, kuma gano aikin rarraba hasken fitilu yana ɗaya daga cikin mafi mahimmanci a cikinsu.
