To avoid deformation of the brushes, it is necessary to regularly clean the windshield wiper blades with a glass cleaner. If the brushes are heavily soiled, for example, with insect residue, the brushes should be cleaned with a sponge or a clean cloth.
For safety reasons, you should replace your windshield wiper blades once or twice a year.
In freezing temperatures, before turning on the windshield wipers for the first time during a trip, you should check whether the brushes are frozen to the glass!
If the wipers do not clean the windshield well enough, the following reasons may be possible:
- when the car passes through an automatic car wash, wax particles get on the windshield. These particles can be removed by adding a wax-dissolving glass cleaner to the windshield washer fluid;
- filling the reservoir with a glass cleaner with wax-dissolving properties can significantly improve the performance of the wipers. Grease-dissolving cleaners are not able to completely clean the glass;
- damage to the brushes can also be the cause of poor glass cleaning, the brushes should be replaced;
- the installation angle of the windshield wiper arms does not correspond to the required one.
Work on checking and adjusting the installation angle of the windshield wiper arms is carried out by Volkswagen service companies.
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