The Useful Life of a wiper
A damaged wiper blade cannot be expected to give good service. When you begin to see blemishes in your field of vision, it's time to change the blade.
A windshield wiper has no protective cover, of course. Even when not in use, it sits in its receptacle between the windshield and the hood subjected to the wind, rain and sun, 24 hours of every day, 365 days of every year. A wiper blade begins deteriorating the very minute it's installed to the vehicle.       symptoms of Damaged wipers   Visible damage Splitting, cracking, corrosion, deformation, foreign matter buildup and discoloration Audible damage Causes noise with blade vibration and chattering Damage that can be felt Hardening of the rubber, Broken plastic parts   If that happens and make you donot feel good it is time to change the new wiper blade       Windshield wiper blades unavoidably deteriorate with use, so it is best to replace them on a periodic basis. If you always ensure that your wiper blades are in good repair, you can enjoy a good field of vision and a safe field of vision even in inclement weather. Always change your wiper blades at least once per year. Changing wiper blades is a simple task that anyone can accomplish.