Where is the heating button for the Buick GL8 air conditioning?

1 Answers
LaCourtney
07/29/25 12:28pm
The heating button for the Buick GL8 air conditioning is located in the air conditioning control area. Press the power button to turn on the air conditioning. To activate the warm air, set the cooling switch to the off position. Slide the left dial upward to increase the temperature, ensuring the set temperature is higher than the outside temperature. Once the engine coolant temperature rises, warm air will be provided. Heating System: The warm air simply utilizes the internal heat circulation of the car and does not require the activation of the air conditioning compressor. Therefore, to turn on the warm air, you only need to adjust the air conditioning temperature button without turning on the AC switch. Cooling System: The car air conditioning cooling is controlled by the AC switch on the air conditioning control panel. When the air conditioning is turned on, the AC switch is engaged, the compressor electromagnetic clutch is activated, and the compressor starts working. The compressor compresses the refrigerant, turning it into a high-temperature, high-pressure gas. This gas then flows to the condenser at the front of the car, where it dissipates heat to the air and condenses into a high-pressure liquid. After passing through the receiver-drier and being filtered and dried, it reaches the expansion valve, where it is throttled and depressurized into a low-pressure liquid. Finally, it flows to the evaporator inside the car cabin, where it evaporates and absorbs heat, thereby achieving cooling.
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