CITROËN C4 Picasso Owner's Handbook Manual page 108

Comfort
Air distribution adjustment
These buttons are used to arrange
the distribution of air in the passenger
compartment by combining several air outlets.
Windscreen.
Footwells.
Central and side vents.
The air distribution can be adapted by using
several buttons: illumination of the indicator
lamp confirms the presence of fan boosted air
in the direction indicated, the indicator lamp off
indicates the absence of fan boosted air in the
direction indicated.
For a uniform distribution of air in the
passenger compartment, the three buttons can
be activated simultaneously.
108
Air intake / Air recirculation
The intake of exterior air prevents the formation
of mist on the windscreen and side windows.
The recirculation of interior air isolates the
passenger compartment from exterior odours
and smoke.
This function allows hot or cold air to be
delivered selectively and more quickly.
Press the button to recirculate
the interior air. The indicator lamp
comes on.
Press the button again to permit
the intake of exterior air. The
indicator lamp goes off to confirm
this.
Avoid driving too long without
recirculation of interior air (risk of
misting and deterioration of air quality).
Air conditioning On / Off
The air conditioning is designed to
operate effectively in all seasons,
with the windows closed.
It enables you to:
- lower the temperature, in summer,
- increase the effectiveness of the demisting
in winter, above 3°C.
Switching on
Press this button, the associated
indicator lamp comes on.
The air conditioning does not operate
when the air flow adjustment is set to
off .
Switching off
Press the button again, the associated
indicator lamp switches off.