See also:

Manual heating and air conditioning
The heating and cooling system can be controlled manually by pressing buttons or turning knob(s) other than the AUTO button. In this case, the system works sequentially according to the order of b ...

Checking the amount of air conditioner refrigerant and compressor lubricant
When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative influence on the air conditioning system. Therefore, if abnormal operatio ...

Checking the battery
WARNING: Batteries can be dangerous! When working with batteries, carefully observe the following precautions to avoid serious injuries. The fluid in the battery contains a strong solution of s ...