Q: Which method for keeping cool during the summer is better for fuel efficiency -- air conditioning or opening the windows?

问：夏季开车时，哪种保持凉爽的方法更省油，开空调还是开窗？

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Fixed screw between air-conditioning fan motor and fan blades loose and maintenance method of this fault is very simple, only needs to be fixed between the screw blades and motor re tighten.

空调外机风扇的电机和风叶之间的固定螺钉松脱，这一故障的维修方法十分简单，只需重新将扇叶和电机之间的固定螺丝重新扭紧即可。

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Split air conditioning clean method: disconnect the power supply, open the cover and air conditioning off screen pack and wash away the dust.

分体式空调清洗方法：断开空调电源，打开盖板，卸下过滤网并洗去灰尘。

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