Wipe the brushes regularly with a glass cleaner to avoid scratching the glass. For heavy pollution (e.g. insect remains) you need to wipe the brushes with a sponge or cloth.
If the brushes leave scratches on the glass, the cause may be solid particles adhering to the windshield. To remove foreign particles in liquid detergent.
It is recommended to replace the wiper blades 1-2 times a year.
Replacement wiper blades
Removing the brushes
Tilt the wiper arm away from the glass and turn the blade perpendicular to the arm. Press the fixing spring (arrow A) and at the same time press the brush in the direction of the glass (arrow B).
Brush installation
When installing the brush, the fixing spring should snap into place. When mounting brushes with an aerodynamic clamp, make sure that the blades of the clamps point downwards.
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