Wiper blade maintenance begins with an exam before the cleaning.
Auto maintenance sites recommend replacing blades every 6 months to a year. Visible signs of wear means it's time to replace the blades.
Clean the blades and allow the vinegar to soak into the rubber. Wipe the blades with a second cloth soaked in water to remove the excess vinegar.
The petroleum jelly softens the rubber and allows it to work better on the windshield. Allow the petroleum jelly to air dry.
Regularly checking the blades and keeping them clean and maintained will extend their life.Learn more about Car Parts & Maintenance