Prevents ice from forming or re-freezing. Safe on car finishes. Leak free can. Clears ice, frost and light snow off windshields, windows, mirrors, locks, headlights, doors and multiple surfaces. Leaves your windows streak and residue free. It removes bugs and road grime leaving your widows clean and clear. Contains Methanol, considered the most effective alcohol for melting ice. It is very powerful and will work to temperatures as low as -44° F (-42° C). The product works faster than your typical windshield antifreeze.