BMW z4 2005 Manual Do Utilizador

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Controls

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By repeatedly pressing the button, you can
select one of three different operating modes.

Indicator lamps off: outside air flows into the
vehicle

Left-hand indicator lamp on, AUC mode:
the system detects pollutants in the outside
air and responds by deactivating the out-
side airflow as required. The system then
recirculates the air currently within the vehi-
cle. Depending on air quality requirements,
the system automatically switches between
outside air supply and recirculation of the air
already within the vehicle

Right-hand indicator lamp on: the flow of
outside air is permanently blocked. The
system recirculates the air already within
the vehicle.

If the windows fog over in the recirculated
air mode, switch this mode off and

increase the air supply as required. Do not use
the recirculated-air mode continuously over a
long period of time as this would otherwise
reduce the air quality in the interior of the vehi-
cle.

Rear window defroster

The indicator lamp lights up when
the rear window defroster is active.
The rear window defroster switches
off automatically.

Ventilation

You can adjust the blower controls for the upper
body area to obtain the optimum airflow rates
and directions for your personal requirements:

1 Rotary dials for opening and closing the

vents at any setting desired

2 Slide for adjusting airflow direction

Microfilter/activated-charcoal filter

The built-in microfilter removes dust and pollen
from the incoming air. The activated-charcoal
filter provides additional protection by filtering
gaseous pollutants from the outside air. Your
BMW center replaces this combined filter as a
standard part of your scheduled maintenance.
A substantial reduction in airflow indicates that
the filter needs to be replaced earlier.