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Which Switch Turns on the Car Heater?

1 Answers

DiKeegan

07/29/25 8:36pm

The car heater switch is a rotary knob with red and blue markings on both sides, located in the center of the dashboard. Turning the knob to the red zone gradually increases the temperature, activating the heater. For cars with automatic air conditioning, the heater switch is the "AUTO" button. Pressing the "AUTO" button allows the automatic air conditioning to adjust based on the interior temperature. Precautions for using car heaters: 1. Do not turn on the heater immediately after starting the car: Cold air comes out when you first turn on the heater because the engine has just started and the coolant temperature is low. The vehicle needs to warm up before it can output warm air. 2. Do not turn on the AC button: The principle of the heater is to recycle and dissipate the heat generated by the engine into the cabin, so there is no need to activate the car's compressor.

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