Ifite sisitemu yo guhindura umwuka ujya mu kirere iteye imbere, ihindura uburyo bworoshye bwo gushyira moteri ya mazutu n'ingano y'umwuka ujya mu kirere hakurikijwe uko umwuka ukoreshwa, bigatuma ihinduka nta ntambwe kuva kuri 0-100%. Mu gihe cy'umutwaro muto, ishobora kuzigama kugeza kuri 30% ku ikoreshwa rya lisansi, bigabanura cyane ikiguzi cy'imikorere.
Nyuma yo gutsinda ikizamini cy’ubushyuhe bwinshi kuva kuri -20°C kugeza kuri 50°C, ifite icyuma gikonjesha cyane gifite ubushobozi bwo gukonjesha hamwe n’uburyo bwo kuyungurura lisansi mu byiciro byinshi, bigatuma ikora neza mu bihe bikomeye nko mu bukonje bukabije, ubushyuhe bwinshi, imisozi miremire, n’umukungugu mwinshi, bihaza ibyifuzo by’ubwubatsi mu turere dutandukanye tw’ikirere ku isi.