I-chassis
Intwasahlobo ibanda ngequbuliso, onke amalungu emoto aya kuthi akhule kwaye ancitshiswe, ukuba iimeko zinokuyifumana i-chassis, ikwakulungele ukuphinda ihlole i-chassis, ilandelwe kukungabinamsebenzi, kuba izinto ezincinci zinokubangela ingxaki engeyomfuneko.
I-tare brake
Ubusika ngenxa yemozulu ebandayo, irabha yerabha, ukunxiba kuya kuba yi-oyile yamavili amane, ukuphepha i-oyile ye-brake yemvula, ukuqinisekisa ukhuseleko lwenkqubo ye-automoble.