CITROEN C4 CACTUS Handbook page 60

Ease of use and comfort
Air distribution adjustment
You can vary the air distribution in the passenger
compartment using these three buttons.
Windscreen.
Centre and side vents.
Footwells.
Each press of a button activates or deactivates
the function.
For an even distribution of air in the
passenger compartment, the three
buttons can be activated simultaneously.
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Air intake / Air recirculation
The intake of exterior air prevents and
eliminates misting of the windscreen and side
windows.
The recirculation of interior air prevents exterior
odours and smoke entering the passenger
compartment.
This function can also be used
temporarily to speed up the heating of
the air in the passenger compartment.
F Press this button to recirculate
the interior air.
F Press this button again to allow the intake
of exterior air.
Avoid the prolonged use of recirculation
of the interior air (risk of misting and
deterioration of air quality).