How Often Should Refrigerant Be Added to a Car?

[LaRonan]

Car coolant should be replenished every two years or after traveling 40,000 kilometers. Here are some details about coolant: Precautions for Coolant Replacement: Antifreeze coolant can be replaced either at a 4S shop or by yourself. However, drivers should note that engine antifreeze coolant is available at 4S shops or auto parts stores. There are two specifications: ready-to-use and concentrated. The ready-to-use type can be directly poured into the radiator. Functions of Coolant: It provides anti-corrosion protection for components of the cooling system; prevents scale buildup to avoid reducing the radiator's cooling efficiency; and ensures the engine operates within the normal temperature range.