Hyundai i20 Owner's Manual page 196

Convenient features
Fan speed control
Push the switch to up to increase the fan
speed and airflow. Push the switch to
down to decrease fan speed and airflow.
NOTICE
Operating the fan speed when the
ignition switch is in the ON position
could cause the battery to discharge.
Operate the fan speed when the engine
is running.
6-68
Air conditioning
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Push the A/C button to manually turn
the system on (indicator light will
illuminate) and off.
OFF mode
Push the OFF button to turn off the
climate control system. You can still
operate the mode and air intake buttons
with the ignition switch in the ON
position.
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