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How to Turn on the Heater in the Car?

2 Answers

SanThomas

07/25/25 8:21am

To turn on the car heater, follow these steps: 1. Start the car to warm up the engine. When the engine coolant temperature gauge reaches the middle, you can turn on the heater switch. 2. Then, turn on the blower switch and rotate the air conditioning button to the red heating zone. Adjust the heater temperature according to your needs. The functions of the car heating system are as follows: 1. In cold winter (even late autumn and early spring), the car heating system can provide warmth inside the car, increasing the interior temperature. 2. During winter, spring, and autumn, when the air humidity is high and there is a significant temperature difference between the inside and outside of the car, frost or fog may form on the windows, affecting the driver's visibility and compromising driving safety. In such cases, turning on the heating system can help remove frost and fog from the windows.

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PatrickAnn

08/10/25 6:53pm

I've been driving for many years, and operating the heater is basic but requires attention to detail. After starting the engine, don't rush to turn on the fan immediately. Wait for about three to five minutes to let the engine temperature rise. Operate the heater when the coolant temperature gauge reaches the middle position, as this will make the warm air come out faster and save fuel. Then, locate the temperature control knob or button on the center console, turn it to the red-marked area or increase the temperature display, such as setting it above 25°C. If the car has automatic climate control, pressing the AUTO button will automatically blow warm air without manually adjusting the fan speed. Next, turn on the fan switch, starting from a low setting and gradually adjusting to the desired airflow. Don't forget to select the external air circulation mode to allow outside air to flow in and prevent window fogging; you can also press the defog button if available. In winter, regularly checking the antifreeze and air conditioning system is key to ensuring efficient heater operation—I service mine once a year. Avoid using the internal air circulation mode for too long when the heater is on to prevent stuffiness, making driving more comfortable and safer.

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