Method 1: overall check air conditioning.Summer for the first time when using air conditioning, should first check the air conditioning system, such as through storage tank check the cooling liquid and air conditioner filter was too dirty, if there is a foreign body, such as the radiator.Method 2: pay attention to air conditioning cleaning.Some beginners always wait until the air conditioning effect is bad, just think of cleaning air conditioning, this is not correct.Should be of the air conditioning filter to change regularly, because Beijing's spring dust is more, catkin scud, these will touch on the filter, easy to breed bacteria, make air conditioning to produce mildew, in addition, the condenser also regularly to clean, and will tear open come down to watertanks, can thoroughly clean.Method 3: after parking, do not turn off the air conditioner.Owners on arrival, are generally not shut the door after of air conditioning, direct to leave.Unlike autumn and winter, hot summer, the car inside and outside will lead to large temperature difference air-conditioning system of mold, mildew.So the owner should be a few minutes before reaching the destination turn off air conditioning, open the natural wind, the rise and the temperature of the air duct to eliminate temperature difference with the outside world, to keep the air conditioning system is relatively dry dry, avoid mold reproduction.Method 4: open the big air volume on a regular basis.Some owners because they don't like air conditioning open into high gear noise, so rarely or never will open to big air volume air conditioning.But air conditioning use will be sucked into a lot of dust, regular winds will open air conditioning duct inner surface of dust blowing out, this is a simple way to keep the air conditioning clean.In addition, also want to use a dedicated air duct cleaning fluid for sterilization, cleaning and divide peculiar smell.