What does washer mean in a car?

[Cassandra]

washer appearing indicates a lack of windshield washer fluid, which needs to be replenished promptly. Below is an introduction about windshield washer fluid: 1. Windshield washer fluid is a consumable item in car usage. High-quality automotive windshield washer fluid is mainly composed of water, alcohol, ethylene glycol, corrosion inhibitors, and various surfactants. 2. According to their form, they can be classified into solid windshield washer fluid and liquid windshield washer fluid. Most solid windshield washer fluids are designed for use in environments above 0°C. 3. During autumn and winter, windshield washer fluid should possess excellent cleaning and antifreeze properties. Winter windshield washer fluid is selected based on its antifreeze performance, and one should choose a fluid with a freezing point at least 10°C below the local minimum temperature.