雨刷换了还刮不清？把玻璃、胶条、喷液和除雾一起检查

Judge wiping by clear essential visibility, not merely blade movement. Persistent streaks, haze, chatter or missed areas deserve attention. Check the outside glass, blade condition and fitment, washer operation, and whether fog is actually inside the cabin. Follow the vehicle's service-position instructions and protect the glass from a raised arm snapping back. Avoid dry wiping over ice or grit. After replacement, verify the correct blade and adapter and check the viewing area under safe, controlled conditions. If visibility remains inadequate, address the cause and reduce travel risk rather than repeatedly swapping brands or filming while driving.