How to Get Rain-X Off a Windshield

Written by kathleen lake
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How to Get Rain-X Off a Windshield
Rain-X dramatically clears rain from windshields, but what clears Rain-X? (sur la route image by valérie Beunardeau from Fotolia.com)

The chemical make-up of Rain-X means it takes special steps to remove it. Rain-X is a brand name for an automobile product that repels water from glass. It leaves an invisible waterproofing that survives weather and washing for several weeks. In a moving vehicle during a rainstorm, Rain-X aids windshield wipers by making rain blow off the glass in a curtain, rather than dripping down the surface. But old or improperly applied Rain-X can become smeary and obscure vision in sunshine.

Skill level:
Easy

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Things you need

  • Mild detergent
  • Lint-free rag
  • Lightly abrasive cleanser
  • Sponge
  • Clean water

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Instructions

  1. 1

    Prepare your windshield. Dust off, then wipe down your windshield with a wet lint-free rag and a mild detergent such as dishwashing liquid.

  2. 2

    Apply a slightly abrasive cleanser to a wet sponge. Use a cleanser that does not scratch surfaces -- most will state on the label if they don't. Rain-X contains a silicon bonding agent, which is why it can repel water so smoothly. Soap and water won't break it, so be sure your cleanser has some scrubbing power.

  3. 3

    Scrub a small test area on a far corner of your windshield. Remember that the cleanser should go on your sponge and not right on the windshield. Use a gentle circular motion. Check for scratches. If there are none, your cleanser has the right amount of abrasion.

  4. 4

    Scrub down your whole windshield as long as the cleanser seems safe. Keep your sponge and cleanser very wet to avoid scratching.

  5. 5

    Rinse your windshield with fresh cold water.

Tips and warnings

  • Get inside your car to check windshield visibility as you clean.

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