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Switching on/off
Press button.
The LED is illuminated with the AUTO
program switched on.
Air flow, air distribution and temperature are
controlled automatically.
The cooling function, refer to page 213, is
switched on automatically with the AUTO pro‐
gram.
At the same time, a condensation sensor con‐
trols the program so as to prevent window
condensation as much as possible.
The AUTO program is switched off automati‐
cally, when manual air distribution is set.
Intensity of the AUTO program
With the AUTO program activated, the auto‐
matic intensity control can be changed.
Press the left or right side of the but‐
ton: decrease or increase intensity.
The selected intensity is shown on the display
of the automatic climate control.
Automatic recirculated-air control
AUC
Concept
The automatic recirculated-air control AUC
recognizes odors or pollutants in the outside
air. The outside air supply is shut off and the
interior air is recirculated.
General information
If the system is activated, a sensor detects pol‐
lutants in the outside air and controls the shut-
off automatically.
If the system is deactivated, outside air contin‐
uously flows into the vehicle's interior.
With constant recirculated-air mode, the air
quality in the vehicle's interior deteriorates and
the fogging of the windows increases.
Switching on/off
Press buttons.
The LED is illuminated with the sys‐
tem switched on.
If there is window condensation, switch off the
recirculated-air mode and press the button on
the driver's side to utilize the condensation
sensor. Make sure that air can flow to the
windshield.
Via iDrive:
1. "My Vehicle"
2. "Vehicle settings"
3. "Climate functions"
4. "Air quality"
5. "Automatic air recirculation"
Recirculated-air mode
Concept
You may react to unpleasant odors or pollu‐
tants in the immediate environment by tempo‐
rarily suspending the supply of outside air. The
system then recirculates the air currently
within the vehicle.
Operation
Press button repeatedly to select an
operating mode:
▷ LED off: outside air flows in continuously.
▷ LED on: the supply of outside air is perma‐
nently shut off.
With constant recirculated-air mode, the air
quality in the vehicle's interior deteriorates and
the fogging of the windows increases.
If there is window condensation,
switch off the recirculated-air mode
and press the button on the driver's side to uti‐
lize the condensation sensor. Make sure that
air can flow to the windshield.
Seite 214
Controls Climate control
214
Online Edition for Part no. 0140 2 974 740 - VI/16
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