Overview
- Coverage over Aug. 8–9 found consumer outlets confirm diluted vinegar can remove grease, insect residue and some mineral deposits from windshields.
- Chemistry explains why: the acetic acid in vinegar helps dissolve organic films and mineral spots that make water stick to glass.
- Reporters advise a cautious method of use: dilute the vinegar, apply with a cloth, let sit briefly, then rinse and dry to avoid marks.
- Do not use concentrated vinegar or pour it into the washer reservoir because it can leave residues and harm paint, rubber or plastic.
- Journalists stress this is an occasional cleaning aid only and say regular wiper checks, proper washer fluid and commercial repellents are needed for sustained visibility.