[Basic knowledge of cars]The correct use of car air conditioners in summer

1. Turn on the air conditioner when parking If the air conditioner is activated while the vehicle is running at high speed,compressorCause instantaneous overload, which may lead tocompressorThe damage or the decline of its function. If the air conditioner needs to be turned on during operation, it is best to use the traffic light signal to wait for the parking space. 2. It is forbidden to start with the air conditioner turned oncar Turning on the air conditionerswitchStarting the car in the state of the vehicle will damage the vehicle, startmotorThe battery is also easily damaged. Therefore, the car must be started with the air conditioner turned off. On the contrary, turn off the air conditioner 2 to 3 minutes before reaching the destination. 3. Starting from the highest section to the low section When starting the air conditioner for the first time, starting from the 3*4 stage instead of the 1*2 stage is good for cooling efficiency and energy saving. For fast cooling, the most effective method is to start in internal circulation mode. 4. As long as the refrigerant does not leak, it is semi-permanent Many people think that the refrigerant must be replaced in the summer, which is wrong in a word. Before entering the summer, check the refrigerant pressure, confirm whether there is any leakage, and replenish the missing amount. 5. To accurately adjust the amount of refrigerant When the refrigerant is insufficient, the cooling effect will decrease, and vice versa.When the refrigerant is too much, the engine andcompressorCauses a burden and is not good for refrigeration. And when the air conditioner is working, it may make a'squeaking' noise. 6. The hourly use cost of air-conditioning is 7RMB When the air conditioner is turned on in the 4th stage for a small car, the fuel efficiency is 18.7% lower than when the air conditioner is not turned on. When driving with air-conditioning, the fuel consumption increased with air-conditioning is about 7RMB. 7. Clean the air conditionerCondenser When changing the engine oil or washing the car, attach it to the air conditionerCondenserInsects, foreign bodies, dust, etc. on the outer surface are cleaned with compressed air or a high-pressure car washer, which can increase the cooling effect by about 10% Related: ·Teach you to recognize the license plate-the new army license plate
·[car repairKnowledge]Six tricks to keep a car after the rain
·[Auto Repair Knowledge]Use and maintenance of car wipers and wiper blades
·[Auto Maintenance Common Sense]According to car conditions-a guide to car insurance purchase
·[Auto Repair Common Sense]Cooling and maintenance in summer, both inside and outside
·[Auto maintenance knowledge]Features and installation of boneless wiper blades