China Naming Network - Weather knowledge - Chang'an 4500 van heater does not come out?

Chang'an 4500 van heater does not come out?

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2. The cable of the heating and cooling switch has fallen off and cannot be switched normally;

3. The air duct inside the instrument panel has fallen off, and the gap at the interface is too large to leak air, causing the warm air to leak;

4. The antifreeze temperature is too low: The vehicle has just been started, the temperature inside and outside the vehicle is low, and the antifreeze has not reached the normal operating temperature.

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