I-window regulator yindibano yomatshini ehambisa ifestile phezulu naphantsi xa amandla enikezelwa kwimoto yombane okanye, ngeefestile zezandla, i-crank yefestile iyajika.Iimoto ezininzi kule mihla zifakwe umlawuli wombane, olawulwa yifestile. tshintsha ucango lwakho okanye ideshibhodi.Umlawuli wefestile uqulathe ezi ndawo ziphambili: inkqubo yokuqhuba, indlela yokuphakamisa, kunye nesibiyeli sefestile.