How often do you need to change wipers?
about every twelve months
Wiper blades should be replaced about every twelve months. However, colder climates may require replacement sooner. This video shows some signs to look for that may indicate it is time to replace your wiper blades.

What happens if you don't change your wiper blades?
Neglecting them can lead to more significant issues, like scratched windshields. Once the rubber wears down, the metal components can scrape against the glass, causing damage that requires expensive repairs.

Is it bad to leave wiper blades up?
Some vehicle owners leave their vehicle's windshield wipers up during winter to prevent the blades from freezing onto the glass. However, this method isn't without its drawbacks. Leaving windshield wipers up isn't good because it wears out the windshield wiper spring.