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158Climate control
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
Air recirculation
Select air recirculation:
The indicator lamp in the O button is not
illuminated.
Press button O briefly. The indicator lamp in the
button illuminates.
To switch off the air recirculation:
The indicator lamp in the O button is illuminated.
Press button O briefly. The indicator lamp in the
button goes out.
Switching on air recirculation and activating
convenience closing of power windows:
The indicator lamp in the O button is not
illuminated.
Press button O for more than 2 seconds, the side
windows will be closed. The indicator lamp in the button
illuminates.
Switching off air recirculation and activating
convenience opening:
The indicator lamp in the O button is illuminated.
Press button O for more than 2 seconds, the side
windows return to the position they were in before
closing.
A window opened manually after convenience closing
will no longer be returned to the position it was in
before closing when convenience opening is selected.
The system automatically switches from air
recirculation to fresh air:
• after 30 minutes if the outside temperature is above
about 40
°F(5°C),
• after 5 minutes if the outside temperature is below
about 40
°F(5°C),
• after 5 minutes if economy mode S is selected.
The system switches automatically to air recirculation at
high outside temperatures. A quantity of outside air is
added after a maximum of 30 minutes.
If the windows should fog up from the inside, switch
from recirculated air back to fresh air.