Pampu ya ABS, yomwe imamasuliridwa kuti "anti-lock brake system" mu Chitchaina, ndi imodzi mwa zinthu zitatu zazikulu zomwe zapangidwa m'mbiri ya chitetezo cha magalimoto, pamodzi ndi ma airbags ndi malamba achitetezo. Ndi njira yowongolera chitetezo cha magalimoto yokhala ndi ubwino woletsa kutsetsereka ndi kutsekeka.
ABS ndi ukadaulo wotsogola wozikidwa pa chipangizo chachizolowezi chomangira mabuleki, chomwe chingagawidwe m'magulu awiri amakina ndi zamagetsi. Magalimoto amakono ali ndi makina ambiri oletsa kutsekeka, ABS sikuti imangokhala ndi ntchito yomangira mabuleki yachizolowezi, komanso imatha kuletsa kutsekeka kwa mawilo, kuti galimotoyo ipitirire kutembenuka pansi pa mkhalidwe wa mabuleki, kuonetsetsa kuti kayendetsedwe ka mabuleki kakhazikika, kuti isagwere mbali ndi kupotoka, ndi chipangizo chapamwamba kwambiri chomangira mabuleki pagalimoto chomwe chili ndi zotsatira zabwino kwambiri zomangira mabuleki.
