Why is there an oil film after the wiper wipes?

1 Answers
DiAndres
07/29/25 5:53pm
An oil film appearing after the wiper wipes is usually caused by exhaust emissions from vehicles ahead during traffic congestion, or it may result from parking near exhaust vents of range hoods. Wiping the windshield with hot water can remove the oil film, or you can use dishwashing liquid to clean the windshield. Wipers, also known as windshield wipers, water wipers, or windscreen wipers, are devices used to wipe away raindrops and dust attached to the vehicle's windshield to improve the driver's visibility and enhance driving safety. Due to legal requirements, almost all vehicles are equipped with wipers. Rear windows of hatchbacks and SUVs also have wipers.
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