Air recirculation mode
Basic points
Air recirculation:
Manual recirculation
Air recirculation mode prevents the ambient
air from entering the interior.
When the outside temperature is very high,
selecting manual air recirculation mode for a
short period refreshes the vehicle interior
more quickly.
For safety reasons, air recirculation mode is
switched off when the button is press-
ed or the air distributor turned to .
Switching the manual air recirculation mode
on and off
To switch system on: press the button un-
til the warning lamp lights up.
To switch system off: press the button un-
til the warning lamp goes off.
Functioning mode of automatic air recircula-
tion (air conditioning menu)
With the automatic air recirculation mode ac-
tivated, the entry of fresh air into the cabin
interior is enabled. If the system detects a
high concentration of hazardous substances
in the ambient air, air recirculation mode is
switched on automatically. When the level of
160
Operation
impurities drops to within a normal range, re-
circulation mode is switched off.
The system is unable to detect unpleasant
smells.
The air recirculation will not connect auto-
matically in versions without humidity sensor
and in the following external conditions:
The outside temperature is lower than +3°C
●
(+38°F).
The cooling system is switched off and the
●
outside temperature is below +10°C (+50°F).
●
The cooling system is switched off, the out-
side temperature is below +15°C (+59°F) and
the windscreen wipers are switched on.
Activation/deactivation of automatic air recir-
culation is done in the air conditioner menu,
under Configuration.
WARNING
›››
Observe the safety warnings
duction on page
157.
●
If the cooling system is switched off and air
recirculation mode switched on, the windows
can mist over very quickly, considerably limit-
ing visibility.
Switch air recirculation mode off when it is
●
not required.
CAUTION
Do not smoke when air recirculation is
switched on in vehicles with an air condition-
er. The smoke taken in could lie on the cool-
ing system vaporiser and on the activated
charcoal cartridge of the dust and pollen fil-
ter, leading to a permanently unpleasant
smell.
Note
Climatronic: air recirculation mode is activa-
ted to prevent exhaust gas or unpleasant
odours from entering the vehicle interior
when it is in reverse and while the automatic
windscreen wiper is working.
in Intro-