Hyundai Elantra N Owner's Manual page 205

Convenience Features
Fan speed control
Turn the knob to the right to increase
the fan speed and airflow. Turn the knob
to the left to decrease fan speed and
airflow.
Setting the fan speed control knob to the
"0" position turns off the fan.
NOTICE
Operating the fan speed when the
Engine Start/Stop button is in the ON
position could cause the battery to
discharge. Operate the fan speed when
the engine is running.
5-84
Air conditioning (if equipped)
OCN7050108N
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.
OCN7050109