Ibhotile yamanzi izaliswe ngamanzi eglasi, asetyenziselwa ukucoca i-windscreen yemoto. Amanzi eglasi ngawezinto ezisetyenziswa kwiimoto. Amanzi e-windscreen yemoto asemgangathweni ophezulu aqulunqwe kakhulu ngamanzi, utywala, i-ethylene glycol, i-corrosion inhibitor kunye nezinye izinto ezibangela ukubola. Amanzi e-windscreen yemoto aziwa ngokuba ngamanzi eglasi.