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Which area of the car air conditioner's blue zone is the coldest?

2 Answers

McHarper

07/29/25 12:49am

The car's air conditioner becomes colder as you move towards the blue side. This is because the blue zone only adjusts the opening degree of the cold air inlet, which means it changes the temperature by adjusting the mixed flow of cold air entering the cabin, rather than altering the compressor's working state. Therefore, there is no energy-saving effect, and fuel consumption remains unchanged. Correct usage methods for car air conditioners: Method 1: Generally, the blue button on the left represents cold air, the red one represents warm air, and the middle one represents a moderate temperature. Method 2: To turn on the cold air, adjust the left button towards the blue area. For warm air, adjust it towards the red area and press the AC switch. The middle button controls the fan speed, and the rightmost button adjusts the mode, allowing you to direct airflow to the feet, hands, or windshield, or use two modes simultaneously. Method 3: The white line on the left adjusts the temperature. If it feels too warm, you can set it to the middle. To turn off the air conditioner without shutting down the system, simply close the middle fan.

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VonPaisley

08/12/25 5:01am

When driving in hot weather, I often notice that the blue zone on the air conditioning control panel represents cold air, with the far left being the coldest setting. When rotating the knob, make sure to turn it all the way to the left for the lowest temperature. Combining this with the A/C button gives better results; higher fan speeds cool the cabin faster. I've also found that adjusting the vents to blow upward or enabling recirculation mode helps more. On hot days, I usually open the windows first to let out the hot air before turning on the AC to avoid weak airflow. Different car models may vary slightly—for digital displays, just set it to LO or the lowest temperature. If the cooling feels insufficient, it might be due to a dirty filter or low refrigerant, so get it checked and serviced promptly. Remember not to leave the knob in the middle—temperature changes are uneven, and the far end is the most effective.

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