pipe must not be blocked by snow, mud or
any objec
ts.
DANGER
Among the emissions from the auxiliary
hea
ter is carbon monoxide, which is an
odourless and colourless poisonous gas.
Carbon monoxide can cause people to
lose consciousness. It can also cause
death.
·
Never switch on the auxiliary heater
and leave the auxiliary heater running if
the vehicle is located in enclosed or un-
ventilated spaces.
·
Never program the auxiliary heater so
that it is switched on and runs in unven-
tilated or enclosed spaces.
WARNING
Parts of the auxiliary heater exhaust sys-
tem become very hot. This can cause
fires.
·
Park the vehicle so that no part of the
exhaust system can come into contact
with any inflammable material under-
neath the vehicle, e.g. dry grass.
NOTICE
Foodstus, medicines and objec
ts that are
sensitive to heat or cold can be damaged or
made unusable by the air flowing out of the
vents.
·
Never leave food, medicines or other
temperature-sensitive objects in front of
the vents.
Switching the auxiliary heater and
a
uxiliary ventilation on and o
Please refer to , and at the
s
tart of the chapter on page 133.
The auxiliary heater and ventilation can be
operated when the ignition is switched on
or o.
Opening the Auxiliary heater menu
Aux. heat. menu in the Infotainment
system.
1. Tap the menu button
.
2. Tap .
S
witching on the auxiliary heater
Immediate heating function in the
Aux. heat. menu in the Infotainment
system or in the Exit menu
→ page 34.
Button on the remote control
→ pa
ge 135.
You can also switch on the auxiliary heater
automatically for a planned departure time
→ page 135.
The yellow LED
for the auxiliary heater
lights up in the instrument cluster when the
a
uxiliary heater is switched on.
The auxiliary heater will not switch on if the
charge level of the 12-volt vehicle battery is
low or the fuel tank is empty.
Switching o the auxiliary heater man-
ually
Immediate heating function in the
Aux. heat. menu in the Infotainment
system or in the Exit menu
→ page 34.
Button on the remote control
→ pa
ge 135.
Auxiliary heater switches o automati-
cally
The auxiliary heater switches itself o au-
tomatically if one of the following condi-
tions is met:
— The programmed departure time is
reached or the set running time has
elapsed → page 135.
— The yellow fuel gauge indicator lamp
lights up → pa
ge 31.
— The charge level of the 12-volt vehicle
battery is too low.
The auxiliary heater runs on for a short time
aer it is switched o manually or auto-
matically so that the remaining fuel in the
system can be burnt o.
When the vehicle is at a standstill, the
auxiliary heater can be activated up to
three times in succession for the maximum
operating duration.
134 Heating and air conditioning system
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