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Motormouth: Adding stuff to windshield washer fluid: Good idea or not?

Columnist Bob Weber answers all your car questions.

A teaspoon or less of Dawn to a gallon of store-bought windshield washing fluid is fine. Add too much, though, and it could cause streaking.
A teaspoon or less of Dawn to a gallon of store-bought windshield washing fluid is fine. Add too much, though, and it could cause streaking.Read moreDreamstime / MCT
    by Bob Weber, Chicago Tribune, McClatchy-Tribune
    Published