Windshield wiper blades that aren't doing their job are not just annoying, they're also unsafe. Inspect them every six months or if they're working poorly.
You can find the type of replacement blade you'll need in your owner's guide. Here, we'll show you how to clean and/or replace them:
When they need a simple cleaning:
Use undiluted windshield washer solvent or mild detergent to clean the blades and windshield thoroughly.
Do not use gasoline, kerosene, paint thinner or other solvents.
Turn on wipers. Switch ignition key off when wipers reach vertical position.
Lift wiper arm away from windshield until it locks into service position.
Turn blade at an angle from the wiper arm. Release blade by depressing the locking pin with a screwdriver. Pull the wiper blade downward (toward the windshield) to detach it from the arm. Attach the new blade to the wiper arm by pressing it into place. (You will hear a click.)