Is it recommended to operate the windscreen wiper when the glass is dry?
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Explanation
The **windshield wiper** is a vehicle component designed to keep the front glass clean, moving from side to side to remove water and dirt. However, **it should not be used when the glass is dry**. This is because the friction of the wiper blades on a dry glass can cause **scratches** on the glass surface.
To clean the glass effectively and safely, it is recommended to use the **windshield washer**, which sprays a jet of liquid onto the glass, allowing the windshield wiper to function properly without damaging the glass. Therefore, it is important to ensure that the windshield washer reservoir always has enough liquid.
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