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  4. Best way to clean car windshield?

Best way to clean car windshield?

Scheduled Pinned Locked Moved Off Key - General Discussion
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  • ShiroKuroS
    ShiroKuroS
    ShiroKuro
    wrote last edited by
    #1

    About a year ago, Mr SK used some kind of rain repellent on our front windshield, since then, it has tended to fog and cloud during rain. The car has been through carwashes, the wipers are new, but today in the rain, the windshield was very unclear. (it's obvious that this is an outside problem).

    He wants to buy something like this:
    https://www.amazon.com/dp/B0FCM8FDY1/?coliid=I24CIW0A0N2644&colid=27AGG6KBGYZSD&ref_=list_c_wl_lv_ov_lig_dp_it&th=1

    I'm worried because it's an unknown, random brand and the reviews are not great.

    A quick google suggests 50/50 rubbing alcohol and water, or a brand like windex.

    Does anyone have any suggestions?

    TIA

    1 Reply Last reply
    • RontunerR
      RontunerR
      Rontuner
      wrote last edited by
      #2

      My dad used to swear by ammonia...

      If you want a treatment that works for a long time, I've been using Aquapel for about a decade. If rubbed in properly, you shouldn't get any of the haze.

      ShiroKuroS 1 Reply Last reply
      👍
      • RontunerR Rontuner

        My dad used to swear by ammonia...

        If you want a treatment that works for a long time, I've been using Aquapel for about a decade. If rubbed in properly, you shouldn't get any of the haze.

        ShiroKuroS
        ShiroKuroS
        ShiroKuro
        wrote last edited by
        #3

        @Rontuner said:

        My dad used to swear by ammonia...

        The site I saw that recommended rubbing alcohol also said ammonia is an option.

        If you want a treatment that works for a long time, I've been using Aquapel for about a decade. If rubbed in properly, you shouldn't get any of the haze.

        Thanks, I’ll look that up!

        1 Reply Last reply
        • MikM
          MikM
          Mik
          wrote last edited by
          #4

          Yeah, I've used Rain-X several times with no issue. Great product. I wonder if he put it on too thick or didn't go back over it after it dried?

          “I refuse to answer that question on the grounds that I don't know the answer”
          ― Douglas Adams

          1 Reply Last reply
          • MikM
            MikM
            Mik
            wrote last edited by
            #5

            Yep. Here's your answer.

            Rain-X can cause a cloudy or fogged windshield if it is applied excessively or not wiped off properly. It's important to apply a small amount and ensure a thorough final wipe to avoid residue that can obscure visibility.

            “I refuse to answer that question on the grounds that I don't know the answer”
            ― Douglas Adams

            1 Reply Last reply
            • MikM
              MikM
              Mik
              wrote last edited by
              #6

              Here's how to fix it.

              How would you clean the windshield after an improper application

              Park in the shade and let the glass cool.
              Rinse the outside of the windshield with clean water to remove dust and grit.
              Wash it with warm water and a small amount of dish soap or automotive glass cleaner. Use a clean microfiber towel or a dedicated glass-cleaning towel.
              Rinse thoroughly, then dry with a separate, dry microfiber towel. Wipe in straight, overlapping passes rather than circular motions.
              If the haze remains, use a stronger glass-cleaning step:
              Apply a small amount of automotive glass polish or a mild 50/50 mixture of white vinegar and water to the exterior glass.
              Work it over the windshield with a clean microfiber cloth.
              Rinse completely and dry.
              Clean the wiper blades with glass cleaner or diluted rubbing alcohol on a cloth. If they still smear, replace them—the residue may have transferred onto the rubber.
              Test the windshield with water. If water beads unevenly or the haze persists, repeat the cleaning once. Don’t apply more Rain-X until the glass is completely clear.
              Avoid abrasive household powders, razor blades, ammonia-based cleaners around tinted film, and mixing cleaning chemicals. If visibility is still impaired—especially at night—don’t drive until the windshield is clear. Rain-X’s application guidance emphasizes wiping the product off thoroughly; its product line also includes dedicated automotive glass cleaners.
              rainx.com

              “I refuse to answer that question on the grounds that I don't know the answer”
              ― Douglas Adams

              1 Reply Last reply

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