Does a car air conditioner need refrigerant refill?

[MarianaMarie]

How often should refrigerant be added to a car air conditioner? In fact, as long as there is no leakage, the refrigerant in a car never needs to be refilled. Here are some tips for using a car air conditioner: 1. Ventilate before turning it on: After the car has been exposed to the sun for a long time, open all four doors and the sunroof to allow air to circulate inside the car for 3 minutes. This quickly lowers the temperature inside the car, making the air conditioner more effective when turned on. 2. Use the recirculation mode wisely: The recirculation mode blocks hot air from outside, creating a sealed space inside the car, allowing the air to circulate quickly under the effect of the air conditioner for rapid cooling. Once the interior temperature has dropped, it is recommended to switch to the fresh air mode every 30 minutes to purify the air inside the car, then switch back to recirculation after 5 minutes. 3. Turn off the air conditioner in time: Turn off the air conditioner 5 minutes before parking. This protects the engine and saves fuel.