How many degrees should the car warm air be turned on (how many degrees is suitable for the car warm air)? Generally 18 to 25 degrees, the most comfortable temperature for human body is 20 to 25 degrees. People above 28 degrees will feel hot and dry, and people below 14 degrees will feel "cold". Generally, the temperature difference between inside and outside the car is within 10 degree. If the temperature is too high, the temperature difference between the inside and outside of the car is too large, which will easily lead to a cold, and if the temperature is too low, it will affect the driving comfort. Don't turn on the warm air immediately after the cold car starts. The heating function of automobile air conditioner is provided by the warm air box of automobile. If the air conditioner wants to blow out hot air, the premise is that the engine temperature must be in a hot state, otherwise the air conditioner will only blow out cold air.
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