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Windscreen and rear window heaterFig. 72
Keys for front and rear window heating: Climatronic / Manual air
conditioning
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WARNINGIf you have a limited pain and / or temperature sensitivity, e.g. due to medi-
cation, paralysis or because of chronic illness (e.g. diabetes), we recom-
mend that you do not use the seat heating. If the seat heating is used, we
recommend to make regular breaks in your journey when driving long dis-
tances, so that the body can recuperate from the stress of the journey.
Please consult your doctor, who can evaluate your specific condition.
CAUTION
The following instructions must be observed to avoid damage to the seats.vDo not kneel on the seats or otherwise apply concentrated pressure to them.v
Do not heat seats that do not contain occupants.
v
Do not heat seats in which objects are secured or resting (e.g. children
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Heating and ventilation
Heating, manual air conditioning system, Climatronic
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WARNINGvThe auxiliary heating must never be operated in closed rooms (e.g. garag-
es)
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Operation in InfotainmentFig. 159
Aux. heating: main menu/set preset time
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Display warning light AMeaningQuickly flashes green for 2 seconds.The auxiliary heating is blocked, e.g.
because the tank is nearly empty or
there is a fault in the auxiliary heating.Flashes red for 2 seconds.The switch off signal was not re-
ceived.Lights up orange for 2 seconds, then
green or red.The battery is weak, however the
switching on or off signal was re-
ceived.Lights up orange for 2 seconds, then
flashes green or red.The battery is weak, however the
switching on or off signal was not re-
ceived.Flashes orange for 5 seconds.The battery is discharged, however
the switching on or off signal was not
received.
Replace the battery
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NotevThe engine running noises may be louder at first for a short time after start-
ing the cold engine.v
You should not switch on any major electrical components during the heating
period, otherwise the vehicle battery will be drained unnecessarily.
v
After switching off the ignition, the radiator fan may intermittently continue
to run for approx. 10 minutes (also continuously).
Problems with the engine start - vehicles with starter button
Fig. 241
Engine start - hold key on but-
ton
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WARNING (Continued)vTo protect against coolant splashes, cover the cap with a cloth when
opening.v
Coolant and coolant fumes are harmful - avoid contact with the coolant.
If your eyes or skin come into contact with the coolant, immediately wash
the affected area for a few minutes long with a lot of water and seek medi-
cal advice if required.
CAUTION
Do not cover the radiator or fit any parts (e.g. auxiliary lights) in front of the air
intakes - there is a risk of the engine overheating.
Checking and refilling
Fig. 305
Coolant expansion reservoir
