Car maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting or replacing certain parts of the car, also known as car maintenance. Modern car maintenance mainly includes maintenance of the engine system (engine), transmission system, air conditioning system, cooling system, fuel system, power steering system, etc. The purpose of car maintenance is to keep the car clean and tidy and in normal technical condition, eliminate hidden dangers, prevent failures, slow down the deterioration process, and extend the service life.

How often should engine oil be changed? How much oil needs to be changed each time? Regarding the engine oil replacement cycle and dosage, everyone is particularly concerned about it. The most direct way is to check your own car maintenance manual, which usually has a very clear introduction. But there are also many people whose maintenance manuals have disappeared long ago. At this time, you have to learn more about them. Generally speaking, the engine oil replacement cycle is 5,000 kilometers. The specific replacement cycle and dosage should be judged based on the relevant information of the vehicle model.
Not all models are suitable for car owners to change the oil themselves, but we can learn to look at the oil dipstick to judge whether it is time to change the oil. Also, the oil filter must be replaced when changing the engine oil.

2. Common sense on using antifreeze
Antifreeze is best used year-round. In addition to its antifreeze and cooling functions, antifreeze also has the functions of cleaning, rust removal, and anticorrosion, reducing corrosion of the water tank and protecting the engine. Pay attention to choosing the correct color of antifreeze and not mixing them.

3. Common sense on using brake fluid
The function of the brake system is closely related to the brake fluid. When checking and replacing brake pads, brake discs and other hardware, don't forget to check whether the brake fluid needs to be added or replaced.

4. Transmission oil
In order to ensure that the car can turn flexibly, the transmission oil must be checked frequently. Whether it is gear oil or automatic transmission oil, pay attention to the type of oil. Generally speaking, the higher oil is.