To avoid deformation of the wiper blades, the wiper blades must be cleaned regularly with glass cleaner. If the brushes are heavily soiled, for example by insect residues, the brushes should be cleaned with a sponge or a clean cloth.
For safety reasons, wiper blades should be replaced once or twice a year.
In case of frost, before each first switching on of the windshield wipers during the trip, you should check whether the brushes have frozen to the glass!
If the brushes do not clean the windshield well enough, then the following reasons for this are possible:
- Wax particles got on the windshield during an automatic car wash. These particles can be removed by adding a glass cleaner, which has the property of dissolving wax, to the windshield washer fluid. Filling the fluid reservoir with a glass cleaner with wax-dissolving properties can significantly improve the performance of the windshield wipers. Grease-dissolving cleaners are not able to completely clean the glass;
- damage to the brushes can also be the cause of poor cleaning of the windows, the brushes should be replaced;
- the installation angle of the wiper arms does not correspond to the required one.
Work on checking and adjusting the installation angle of the wiper arms is carried out by Volkswagen service enterprises.
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