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Activated Charcoal Filter
To select, press button.
To cancel, press button again.
An activated charcoal filter markedly
reduces bad odors and removes
pollutants from the air entering the
passenger compartment.
The blower speed is slightly increased
to supply a constant volume of air.
The system switches automatically to
the air recirculation mode, if the carbon
monoxide (CO) or nitric oxide (NO
X
)
of the outside air increases.
When pressing button or
, the filter is also switched off.
Notes:
The automatic air recirculation does
not function when selecting the
Economy mode , or the outside
temperature is below 45°F (7°C).
The activated charcoal filter should be
switched off when windows fog up on
the inside, or if the passenger
compartment needs to be quickly
heated or cooled down.
Residual Engine Heat Utilization
With the engine switched off, it is
possible to continue heating the interior
for a short while.
Air volume and distribution are
controlled automatically.
To select:
Turn key in steering lock to position 1
or 0 or remove key. Close air outlet in
rear passenger compartment.
Press button.
This function selection will not
activate if the battery charge level is
insufficient.
To cancel:
Press button.
The system will automatically shut off
• if you turn key in steering lock
to position 2,
• after approx. 30 minutes,
• if the battery voltage drops.