What is the car's air conditioning heating symbol?

1 Answers
AnthonyAnn
07/25/25 5:54am
The heating switch symbol is generally displayed as a "thermometer". The blue pattern above indicates cold air, while the red pattern indicates warm air. To increase the temperature inside the car, turn on the air conditioning and rotate the knob to the red area. Here are some precautions for using car heating: 1. No need to activate the compressor: The car heating system used in winter is a non-independent residual heat heating system, which utilizes heat from the radiator, exhaust pipe, etc., to warm the air, which is then blown into the car by the fan. Therefore, the compressor does not need to be activated when using the heating. 2. Avoid turning on the heating immediately: Since the water temperature in the radiator is still low when the vehicle is first started, warm air can only be blown out after the water temperature rises. Moreover, turning on the heating at this time not only blows cold air but also increases the engine's burden, causing the water temperature to rise more slowly. Therefore, let the vehicle run for a while until the water temperature gauge reaches half of the normal operating temperature before using the heating. After turning on the heating, use the external circulation first to refresh the air inside the car, then switch to internal circulation after a few minutes. 3. Turning on the heating does not increase fuel consumption: The heating relies on heat exchange from the radiator, exhaust pipe, etc. Apart from the fan, it hardly uses any other equipment, so it does not cause an increase in fuel consumption.
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