Hyundai 2012 Sonata - Manual (Page 170)

Features of your vehicle
88 4
Air intake control
This is used to select outside (fresh) air
position or recirculated air position.
To change the air intake control position,
push the control button.
Recirculated air position
The indicator light on the
button illuminates when the
recirculated air position is
selected.
With the recirculated air
position selected, air from
the passenger compart-
ment will be drawn through
the heating system and
heated or cooled according
to the function selected.
Outside (fresh) air position
The indicator light on the
button will not illuminate
when the outside (fresh) air
position is selected.
With the outside (fresh) air
position selected, air enters
the vehicle from outside and
is heated or cooled accord-
ing to the function selected.
✽ ✽ NOTICE
Prolonged operation of the heater in the
recirculated air position (without air
conditioning selected) may cause fog-
ging of the windshield and side windows
and the air within the passenger com-
partment may become stale.
In addition, prolonged operation of the
air conditioning with the recirculated
air position selected will result in exces-
sively dry air in the passenger compart-
ment.
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