How often does the car coolant change?

We all know that coolant is an indispensable part of a car engine. It circulates in the engine cooling system, taking away excess heat generated during engine operation, allowing the engine to operate at normal operating temperatures.
In fact, the full name of the coolant is called antifreeze coolant, which is the coolant with antifreeze function. The function of the antifreeze is to prevent the coolant from freezing during cold winter parking and to burst and freeze the engine cylinder block, but antifreeze. The liquid is not only used in winter, it should be used all year round. In the normal maintenance of the car, the engine antifreeze needs to be replaced in one year.
When the coolant is insufficient, the engine water temperature will be too high, which will cause damage to some parts of the engine. Therefore, once the owner finds that the coolant is insufficient, it should be added and replaced in time. However, be aware that the coolant cannot be added at will. The long-term use of the anti-freeze coolant of the engine water tank of the vehicle in the high temperature state will definitely lead to deterioration and deteriorating performance. Therefore, it must be replaced regularly. It is usually replaced once every two years or 40,000-50,000 km per trip. If it is a taxi, the replacement period is short and can be changed once a year or 30,000 km. However, the specific operation is still carried out according to the car maintenance manual.