What is the Solution for Musty Smell When Using Natural Ventilation in Cars?

[DelWalter]

To address the musty smell when using natural ventilation in cars, follow these steps: 1. Park the car under sunlight, set the air conditioning system to warm air mode, turn the fan to maximum, and maintain for 10 minutes; 2. Place air fresheners or bamboo charcoal products in the car; 3. Replace the car's air conditioning filter; 4. Clean the air conditioning filter with a cleaning agent; 5. Clean the evaporator box. Methods for maintaining the air conditioning system include: 1. Regularly check the refrigerant and refrigeration oil; 2. Clean the surface of the condenser; 3. Clean the surface of the evaporator. The car air conditioning system, abbreviated as car AC, consists of a refrigeration system, heating system, ventilation and air purification devices, and a control system.