When the wiper blades have the following symptoms, they may need to be replaced in advance:
1. Damages that can be distinguished by eyes: cracks, cracks, aging, rust, deformation, attachments, discoloration, etc. It is recommended to replace the wiper blade in time.
2. Damage that can be distinguished by ears: The rubber strip has fallen off from the frame, and every time it is wiped, it will slap the front windshield, making abnormal sounds such as jumping and shaking. It is recommended to replace the wiper blades in time.
3. Look at the wiper effect to distinguish: When you use the wiper, if there are scratches on both sides or the middle of the glass after each wipe, it is recommended to replace the wiper blade.