How does an oil film form on car windows? How to remove an oil film from a car windshield?

If car windows aren’t properly maintained, they can easily become corroded by substances containing corrosive components, such as exhaust fumes, cooking fumes, bird droppings, insect remains, or tree sap. This forms an oily film on the windshield surface, preventing the wipers from cleaning it properly. In such cases, it’s crucial to remove the oily film promptly to avoid creating a driving safety hazard. Common removal methods include wiping with dry newspaper, using dish soap, or a specialized oil film remover. If none of these work, the wiper blades need to be replaced. Let’s learn how to remove an oily film from car windows.