2. Over time, road film accumulates on the working surfaces of the brushes, which leads to a noticeable decrease in the efficiency of the windshield wipers. Regularly wash the brushes with a medium-concentration cleaning solution.
3. During the operation of the windshield wipers, the fasteners may gradually loosen spontaneously; the reliability of their fit and tightening should also be checked regularly.
4. If cracks or signs of wear are detected in the rubber working elements, they are replaced.
5. Move the wiper arm away from the glass.

6. Press the locking tab and remove the blade from the hook on the end of the wiper arm.

7. If necessary, use needle-nose pliers to squeeze the metal locking tabs at the end of the brush assembly and release the rubber working element from the frame.
8. Place the replacement element in place of the removed one, making sure that it snaps securely into the frame.
Data copied from web resource [Nissanbook.ru]
9. Further installation is carried out in the reverse order of removal of the components.