What does air conditioner lo mean?

The car air conditioner LO indicates the lowest temperature at present. The following are matters needing attention when using automobile air conditioner: 1. Regular dust removal: Turn on the air conditioner at the maximum speed of 10 minute every once in a while to effectively prevent dust accumulation. Or cleaning the air conditioning filter when washing the car, it is also helpful to use the air conditioning cleaning agent correctly. 2. Suitable temperature: Under normal circumstances, the temperature in the carriage should be adjusted to about 26~27 degrees. 3. Switching mode: When turning on the air conditioner, you can use the external circulation to reduce the temperature inside the car first, and then switch to the internal circulation, but remember to switch these two modes every once in a while. 4. Check for air leakage: It is necessary to check the engine cover and chassis for air leakage from time to time. When there is tail gas leakage in the car, it should be repaired in time.