Here’s a summary of the video "A Ridiculously Easy Way to Clean the INSIDE of Your Windshield (NO Haze or Streaks)":

• Traditional glass cleaners leave streaks and smudges, don’t work as well, and can be costly and toxic.
• The host demonstrates a much faster, easier method to clean your windshield using items you probably already have at home—no special tools are required.
• The method involves:
  • Filling a glass with about 6 ounces of warm (not boiling) water.
  • Adding 1 teaspoon of dish soap.
  • (Optional) Adding 1 teaspoon of rubbing alcohol (any type, but the example uses 70%).
  • Mixing the solution.
• Prepare:
  • Spread a large towel (bath or beach towel) across your dashboard to protect it.
  • Only use clean towels or microfiber cloths—avoid napkins/paper towels to prevent lint.
• Cleaning steps:
  • Soak one small towel/cloth in the solution, wring out excess, and use it to wipe the inside of the windshield.
  • The solution makes cleaning easier due to its lubricating effect, and it quickly breaks down dirt and grime.
  • Wipe down the windshield for about 30 seconds.
  • Use the dashboard towel to absorb as much residue as possible.
  • Finish by polishing the glass with a second clean cloth, ideally microfiber.
• The result is crystal-clear, streak-free glass—better than any conventional glass cleaner.
• The video promises this method will leave your windshield as clear as when your car was new, and is much faster and easier than traditional ways.

No sponsorships are involved; the creator shares this tip purely to help viewers achieve great results when cleaning their windshields.[1]

1

Use dish soap, apply with cloth, preferably a spongy attachment on squeegee. This will lift dirt off surface of glass. Then use squeegee to corral the soapy liquid off window (observe angle of squeegee). Very useful technique. Speaker says the Windex stuff doesn't lift dirt (not a surfactant), but soapy water does.