trol system of your vehicle and helps to heat up
the vehicle interior as quickly as possible.
At outside temperatures below Ò9 † the heater
booster function is switched on automatically
when the engine is started. The red indicator
lamp in the & button lights up. Until the
engine is switched on again, the heater booster
function can be switched off as described for the
auxiliary heating. When you switch off the
engine, the heater booster function is switched
off automatically.
Operating the auxiliary heating using
the remote control
General notes
The auxiliary heating system can be operated
with up to three remote controls. A remote con-
trol must be synchronised to an auxiliary heating
system receiver. For more information, please
contact a qualified specialist workshop.
Store the remote control for the auxiliary heat-
ing such that the auxiliary heating function can-
not be switched on unintentionally. In particular,
ensure that the remote control is kept out of the
reach of children.
The remote control has a range of approximately
300 metres. This range is reduced by:
R
sources of radio interference
R
solid objects between the remote control and
the vehicle
R
the remote control being in an unfavourable
position in relation to the vehicle
R
transmitting from an enclosed space
The optimum range can be achieved if you hold
the remote control vertically, pointing upwards
when you press one of the buttons.
If the remote control battery is low, the battery
symbol on the left of the remote control display
is shown as empty. Replace the remote control
battery (Y page 148).
Switching auxiliary heating on and off
:
Display
;
u Switches the auxiliary heating/venti-
lation on and checks the status of the aux-
iliary heating
=
. Sets a departure time
?
^ Switches off the auxiliary heating/
ventilation
A
, Sets a departure time
X
To switch on: press and hold down the u
button.
The remote control display shows ON.
X
To switch off: press and hold the ^ but-
ton.
The remote control display shows OFF.
Checking the status of the auxiliary heat-
ing
X
Briefly press the u button.
The following messages may appear in the dis-
play:
Display Meaning
The auxiliary heating is
switched off.
The auxiliary ventilation is
switched on and the num-
ber in the display shows
the remaining time in
minutes.
The auxiliary heating is
switched on and the num-
ber in the display shows
the remaining time in
minutes.
146
Operating the auxiliary heating system
Climate control
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