You flick the wipers on in the first real downpour of the season, and instead of a clear windshield you get streaks, smears, and that maddening chatter as the blades skip across the glass. Most people ...

New wiper blades often smear due to an oily, contaminated, or dirty windscreen (windshield), rather than a faulty blade. Common causes include stubborn road grime, tree sap, wax residue from car ...