1. Park your vehicle in a safe, well-lit area and apply the parking brake.
2. Locate the wiper arm nut. It is located at the base of the wiper arm, where it attaches to the vehicle. Use a wrench to loosen and remove this nut.
3. Lift the wiper arm off of the vehicle and remove the washer nozzle from the wiper arm if necessary.
4. Remove the nut holding the wiper blade in place.
5. Slide the wiper blade assembly off the wiper arm.
6. To install a new wiper blade, slide it onto the wiper arm and secure it with the washer nozzle.
7. Replace the wiper arm nut and tighten it until it is snug.
8. Test the wiper arm to make sure it is operating correctly.
