Which button to press for car heating?

2 Answers
Betty
07/24/25 10:19am
To turn on the car heating, press the AUTO button. The heating switch button typically features a thermometer-shaped icon or patterns with blue and red areas. The red zone represents heating, while the blue zone indicates cooling. By rotating the knob, you can increase the temperature in the red zone or decrease it in the blue zone. Methods to quickly raise the interior temperature: First, start the engine for preheating. Wait until the engine temperature gauge reaches the midpoint, then turn on the heating system. Set the air circulation to external mode to expel cold air from the cabin. After 2-3 minutes, switch the air circulation to internal mode. Precautions for using car heating: Avoid directing the warm air straight at your head, as prolonged exposure can cause driver fatigue and compromise driving safety. Do not sleep in the car with the heating on while the vehicle is stationary, as this can lead to high concentrations of carbon monoxide when the engine is off, potentially causing poisoning or suffocation if windows are closed. Refrain from smoking in the car when the heating is on, as smoke particles can adhere to the evaporator surface and foster mold growth in humid conditions, polluting the cabin air when the system is used again.
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Damian
08/11/25 5:28am
When it comes to turning on the heater, just look for the temperature adjustment knob on the AC panel. There's usually a red-marked section—turn it to that and it'll start warming up. I've driven many cars, and most models follow this design. After starting the engine, don’t rush to blast the air—wait a few seconds for the engine to warm up first, and the effect will be better. The heater works using waste heat from the engine, saving energy and money, unlike the AC system which consumes more fuel. In winter, it also helps defrost and defog, which is crucial for driving safety. If the buttons don’t respond, check the coolant or thermostat immediately to avoid getting cold on long drives.
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