Does an automatic transmission car need to add water?

[OLucy]

An automatic transmission car does not need to add water. Here are the relevant explanations: 1. Engine: The car's engine requires the use of specialized coolant, and water cannot be used as engine coolant. Using water as coolant can lead to scale buildup in the engine's water passages, and since water has a relatively low boiling point and high freezing point, it cannot serve as coolant. 2. Coolant: When the car starts, the coolant undergoes a small circulation cycle where it doesn't pass through the radiator for cooling, which helps with temperature rise. After running for a while, the coolant switches to a large circulation cycle where it passes through the radiator for cooling, maintaining the car within a reasonable operating temperature range.