What are the main causes of streaky windshields in the Toyota Prius?

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What are the main causes of streaky windshields in the Toyota Prius?

Common causes include:

Old o r worn-out wiper blades
Dirty windshield glass
Improperly applied windshield washer fluid
Residue buildup from pollution o r wax
Damaged windshield coatings

Lubaba asked on 14 Feb 2025 11:23:43 am

1 Answer

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Car Mechanic Expert - on 14 Feb 2025 11:29:59 am

Streaky windshields in the Toyota Prius are typically caused by:

Old o r worn-out wiper blades: Over time, the rubber on the wiper blades can crack o r harden, leading to streaks when wiping.
Dirty windshield glass: Dust, dirt, and grime on the windshield can cause streaks when wipers try to clean the surface.
Improperly applied windshield washer fluid: If washer fluid is used improperly o r if its diluted too much, it may leave streaks on the glass.
Residue buildup from pollution o r wax: Pollution, road grime, and leftover wax o r other products on the windshield can create a sticky film that leads to streaks.
Damaged windshield coatings: A damaged o r worn windshield coating can affect the wiper’s ability to wipe cleanly, leading to streaks.