Windshield wiper blades play a crucial part in vehicle safety, but unless you live in a rainy climate, they're also easy to overlook. If you don't use them regularly you might not know they need to be replaced - until you really, really need them. Manufacturers typically recommend changing them every six months to once a year, but your own driving conditions might call for more frequent replacement. There's no hard-and-fast rule about when to change your wiper blades, but you can use a few criteria to decide when it's time.
If your wiper blade couldn't work well, please replace wiper blade soon.
Usually, it should be replaced every 6 months.No matter how often you use wiper blades or not, wiper blade rubber refill will be aging and cracking under the sunshine.Just like your vehicle tires.
There is another tip for you, no matter rainny or not, please wipe your wiper blade before driving at each day.Then your wiper blade can be used longer time, save money.