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Operation
Press button repeatedly to select an
operating mode:
▷ LED off: outside air flows in continuously.
▷ LED on, recirculated-air mode: the supply
of outside air into the vehicle is perma‐
nently blocked.
To prevent window fogging, recirculated-air
mode switches off automatically after a certain
amount of time, depending on the environ‐
mental conditions.
With constant recirculated-air mode, the air
quality in the car's interior deteriorates and the
fogging of the windows increases.
If the windows fog over, switch off recircu‐
lated-air mode and increase the air flow, if
needed.
Controlling the air flow manually
Concept
The air flow for climate control can be adjusted
manually.
Operation
Turn the ring to set the desired
air flow.
The higher the air flow, the more
effective the heating or cooling
will be.
The air flow of the automatic climate control
may be reduced automatically to save battery
power.
Controlling the air distribution
manually
Concept
The air distribution for climate control can be
adjusted manually.
Operation
Press buttons repeatedly to select a program:
▷ Windows.
▷ Upper body region.
▷ Floor area.
You may combine these programs as needed.
Defrosting windows and removing
condensation
Concept
Ice and condensation are quickly removed
from the windshield and the front side win‐
dows.
Switching on/off
Press button.
The LED is illuminated with the sys‐
tem switched on.
The air flow can be adjusted with the air flow
active.
If the windows are fogged over, you can also
switch on the air conditioning to dehumidify
the air.
Rear window defroster
Press button. The LED lights up.
The rear window defroster switches
off automatically after a certain period of time.
Microfilter
In external and recirculated-air mode the mi‐
crofilter filters dust and pollen from the air.
Have this filter changed during vehicle mainte‐
nance, refer to page 232.
Seite 165
Climate control Controls
165
Online Edition for Part no. 01402977904 - II/17
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