The air conditioning system according to the present invention comprises, in addition to a microcomputer, a temperature sensor, a temperature preset device, and the like, {TAIL ~ a blower fan motor speed selector} manually operated by the passenger, a non volatile memory unit for storing the manually adjusted blower fan motor speeds classified on the basis of difference between detected air temperature and {HEAD ~ preset air temperature}, vehicle travelling conditions, and the time elapsed since the system was turned on 
The air conditioning system according to the present invention comprises , in addition to a microcomputer , a temperature sensor , a temperature preset device , and the like , { TAIL ~ a blower fan motor speed selector } manually operated by the passenger , a non volatile memory unit for storing the manually adjusted blower fan motor speeds classified on the basis of difference between detected air temperature and { HEAD ~ preset air temperature } , vehicle travelling conditions , and the time elapsed since the system was turned on
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