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140
Controls in detail
Auxiliary heating/ventilation*
3
You can switch the auxiliary heating/ ven-
tilation on and off immediately using:
the auxiliary heating/heater booster
switch ( page 140)
the auxiliary heating remote control*
( page 141)
Before switching on
Adjust the heat output to the desired
temperature using the temperature
control ( page 131).
Set the air distribution as required.
Operation using the switch
The switch for the auxiliary heating/ venti-
lation is between the light switch and the
steering wheel.
1 To switch the auxiliary heating on/off
2 To switch the heater booster function
on/off ( page 137)
To switch the auxiliary heating on:
press and hold the ö switch for
more than 2 seconds:
The auxiliary heating/ventilation
heats or ventilates the interior to a
temperature that you have set.
The blower switches to the first
speed.
The red indicator lamp in the switch
comes on.
To switch the auxiliary heating off:
press the ö switch.
or
Turn the key to position 0 in the igni-
tion lock ( page 67).
The red indicator lamp in the switch
goes out.
The auxiliary heating operates for
around a further 2 minutes and then
switches off automatically.
!CAUTION
Switch on the auxiliary heating at regu-
lar intervals (at least once a month) for
approximately 10 minutes.
Make sure that the hot air flow is not
obstructed. The auxiliary heating would
otherwise overheat and switch off.
N54.25-2928-31
i
You cannot use the auxiliary ventilation
to cool the vehicle interior to a lower
temperature than the outside tempera-
ture.
The heating or ventilation period is lim-
ited to 60 minutes.
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