The windshield washer fluid filler cap is usually located in the engine compartment. The specific position varies by vehicle model, but it generally has a blue or black cap marked with a water spray or wavy line icon, and is commonly found near the right front headlight or on the edge of the bonnet on the driver's side. When operating, park the vehicle on a flat surface, open the engine bonnet, and look for the container labeled "washer fluid" or "windshield washer fluid". The fluid level should be filled to 1 centimeter below the bottle mouth. Small cars typically require about 2 litres, while some models need 4 litres. In tropical regions, summer formula is sufficient. Do not use tap water as a substitute, as it may clog the nozzles or cause the pipes to freeze and become damaged in winter. It is best to regularly check the condition of the windshield wipers and prioritize purchasing products that meet specifications through formal channels to ensure performance and safety.
