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I've noticed that some cars have these black plastic things right above the windows. They stretch right below the window. What are they for? - Quora

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Is there a chemical or spray I can use to keep the haze or whatever it is from accumulating on the inside of my car's windshield? - Quora

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Which windshield water repellant is better? Aquapel or Rain X? - Quora

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How To Super Clean & Repel Rain from Car's Windshield -Jonny DIY

Which is better at cleaning glass surfaces, Windex or Rainex? - Quora