I-EF-4 ingumkhiqizo ohamba phambili ku-JCT.Isetshenziswa kabanzi endaweni yokukhangisa.I-Ef-4 ku-JCT ifana ncamashi ne-BMW Mini, ihlakaniphile kodwa iwusizo futhi idumile.Amakhasimende asebenzisa i-trailer ye-LED yeselula ye-EF-4 ukukhuthaza imicimbi yezemidlalo, ukukhuthaza ukukhushulwa kwezimoto, kanye nokukhuthaza imikhiqizo emisha.

Amakhasimende avela eNew Zealand aklama i-trailer ngendlela yawo.Zivikela uhlaka ngebhokisi elikhulu.Ihlukile ezikhangisweni zendabuko, i-trailer ye-LED yeselula ingabonisa amavidiyo, avumelana nezimo futhi akhangayo.Kuzuzisa kakhulu.Sicela ungangabazi ukuxhumana nathi ukuze uthole imininingwane eyengeziwe.