What is the total capacity of the windshield washer reservoir?

The total capacity of the windshield washer reservoir typically ranges from 2 to 4 quarts in most vehicles. This capacity is sufficient to hold enough fluid to clean the windshield without requiring frequent refills. A capacity of 4 quarts strikes a balance between having enough washer fluid available for extended use while remaining manageable in terms of size and weight for the vehicle design.

While options like 2 quarts or higher capacities such as 6 quarts and 8 quarts exist, they may not be standard for the majority of vehicles commonly encountered in firefighting or rescue operations. Thus, selecting 4 quarts as the total capacity reflects a practical and realistic understanding of windshield washer system design used in typical vehicles, making it the most appropriate answer in this context.