How to Turn on Car Heater in Winter?

2 Answers
DiBennett
07/25/25 7:40am
To turn on the car heater in winter, follow these steps: 1. After starting the car, wait approximately 8 to 15 minutes until the engine coolant reaches normal operating temperature, then you can activate the heater; 2. Adjust the air conditioning system to recirculation mode; 3. Switch to heating mode; 4. Do not turn on the air conditioning (A/C); 5. Set the appropriate fan speed and adjust the air vent direction. The heating function of a car's air conditioning system is provided by the vehicle's heater core. For the air conditioning to blow hot air, the engine must be at operating temperature; otherwise, it will only blow cold air. In winter, it's recommended to direct the airflow toward the footwell area. This prevents noticeable breathing discomfort while ensuring effective heating performance.
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CarlosDella
08/10/25 6:39pm
Turning on the heater in winter is actually quite simple. As an experienced driver who has owned several cars, here's my approach: First, start the engine and let it run for a few minutes to warm up. Heat only enters the system after the engine temperature rises. Then adjust the temperature knob on the control panel to the red zone or higher settings. Don't immediately set the fan speed to maximum - start with medium and gradually increase it to avoid cold air shock. If your car has automatic climate control, simply press the AUTO button and adjust the temperature dial for convenience. Remember to select fresh air mode for airflow to prevent windshield fogging, which affects driving safety. I make it a habit to check the cabin air filter every six months to ensure it's not clogged and maintains air quality. On highways, avoid setting the temperature too high - keep it at a comfortable level to prevent fatigue. The most effective approach is to patiently wait for the engine to warm up properly.
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