Bonnet, yomwe imadziwikanso kuti hood, ndi gawo looneka bwino la thupi ndipo ndi chimodzi mwa ziwalo zomwe ogula magalimoto nthawi zambiri amaona. Zofunikira zazikulu pakuphimba injini ndi kuteteza kutentha, kuteteza mawu, kulemera kopepuka komanso kulimba kwamphamvu.
Chivundikiro cha injini nthawi zambiri chimakhala ndi kapangidwe kake, chokongoletsedwa ndi zinthu zotetezera kutentha, ndipo mbale yamkati imagwira ntchito yolimbitsa kulimba kwake. Maonekedwe ake amasankhidwa ndi wopanga, omwe kwenikweni ndi mawonekedwe a chigoba. Bonnet ikatsegulidwa, nthawi zambiri imatembenuzidwa kumbuyo, komanso gawo laling'ono lake limatembenuzidwa kutsogolo.
Chophimba cha injini chopindika chiyenera kutsegulidwa pa ngodya yokonzedweratu ndipo sichiyenera kukhudzana ndi galasi lakutsogolo. Payenera kukhala mtunda wocheperako wa pafupifupi 10 mm. Pofuna kupewa kutsegula lokha chifukwa cha kugwedezeka poyendetsa, mbali yakutsogolo ya chophimba injini iyenera kukhala ndi chipangizo chotseka chotseka chotetezera. Chosinthira cha chipangizo chotseka chimayikidwa pansi pa dashboard ya ngolo. Chitseko cha galimoto chikatsekedwa, chophimba cha injini chiyeneranso kutsekedwa nthawi yomweyo.