Hyundai Sonata: Air conditioning

Press the A/C button to turn the air conditioning system on (indicator light will illuminate). Press the button again to turn the air conditioning system off.
Fan speed control
The ignition switch must be in the ON position for fan operation.
The fan speed control knob allows you to control the fan speed of the air flowing
from the ventilation system. To change the fa ...
System operation
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See also:
Heated Oxygen Sensor (HO2S). Schematic Diagrams
Circuit Diagram
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Troubleshooting
Troubleshooting
Symptom
Suspected area
Repairment
Pressing power switch does not turn on system
Radio receiver power source circuit
...
Illuminated engine start/stop button
Whenever the front door is opened, the engine start/stop button will illuminate
for your convenience. The light will go off after about 30 seconds when the door
is closed. ...
