Mercedes-Benz GL450 Operator's Manual page 222

Gl-class
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Activating
Press button : ( page 214).
The indicator lamp on the button
comes on.
i
The air recirculation mode is activated auto-
matically at high outside temperatures.
The indicator lamp on button : is not lit when
the air recirculation mode is switched on auto-
matically.
A quantity outside air is added after
approximately 30 minutes.
If you have turned off the air conditioning
( page 222) or the outside temperature is
below 41°F (5°C), the air recirculation mode will
not switch on automatically.
i
To cool the interior as fast as possible, the
climate control automatically switches to air
recirculation. The indicator lamp on button :
is not lit when the air recirculation mode has
been switched on automatically.
Deactivating
Press button :.
The indicator lamp on the button goes
out.
i
The air recirculation mode is deactivated
automatically
after 5 minutes if the outside temperature is
below approximately 41°F (5°C)
after 5 minutes if the air conditioning and
air-drying is turned off
after 30 minutes if the outside temperature
is above approximately 41°F (5°C)
Controls in detail
Climate control
Air recirculation mode with conve-
nience closing and opening feature
Warning!
Never operate the windows and tilt/sliding
sunroof* if there is the possibility of anyone
being harmed by the opening or closing pro-
cedure.
In case the procedure causes potential
danger:
Vehicles with or without tilt/sliding sun-
roof*: The closing of the windows can be im-
mediately halted by pressing or pulling the
respective window switch. The closing of the
tilt/sliding sunroof* can be immediately
halted by moving the switch for the tilt/slid-
ing sunroof* in any direction.
The closing of the windows and the
tilt/sliding sunroof* can be reversed by
again pressing and holding the : button.
G
221

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