Hyundai i20 Owner's Manual page 184

Convenient features
Instrument panel vents
You can adjust the direction of air
delivered from these vents using the
vent control lever as shown.
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Temperature control
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The temperature will increase by turning
the knob to the right.
The temperature will decrease by
turning the knob to the left.
Air intake control
This button is used to select the outside
(fresh) air position or recirculated air
position.
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