Activating/deactivating immediate heat-
ing mode (heater booster function)
X
To switch on: press the Û or â button
until the y symbol in the menu bar flashes.
X
Press the b button.
The operation duration flashes in the display.
i
You can preset the default value that is
shown (Y page 152).
X
Using the Û or â button, set the
minute value (10 to 120) or select the à
symbol for continuous operation.
X
Press the b button.
Immediate heating mode (heater booster
function) is activated. The time and the y
symbol appear.
X
To switch off: press the Û or â button
until the y symbol flashes in the menu bar,
and then press the b button.
Immediate heating mode (heater booster
function) is deactivated. The y symbol
disappears.
The auxiliary heating operates for another
2 minutes and then switches off automati-
cally.
i
If you switch off the ignition while immediate
heating mode (operating duration between
10 to 120 minutes) is active, immediate heat-
ing mode is also switched off. The auxiliary
heating operates for another two minutes and
then switches off automatically.
If you have set continuous operation as the
operating duration and you switch off the igni-
tion, the auxiliary heating switches off auto-
matically after about 15 minutes. If, in the
remaining time, the ignition is switched on
again, continuous operation of the auxiliary
heating continues.
Setting a departure time
You can set three preselection times using the
timer.
Make sure that the time and date set on the
timer are correct before setting the departure
time (Y page 152). Otherwise, the auxiliary heat-
ing may switch on at the wrong time and at an
unsuitable location. When setting the departure
time, also observe the important safety notes on
operating the auxiliary heating (Y page 144).
Once the departure time is activated, the auxil-
iary heating system starts up automatically and
runs for the operating duration set prior to
departure.
If you set identical departure times (time and
day of the week) for the three preselection
times, only the last time set is saved.
After a malfunction or if the battery has been
disconnected, you must set the departure times
again. You can find further information on mal-
functions in the "Problems with the auxiliary
heating" section (Y page 155).
X
Press the Û or â button until the B
symbol in the menu bar flashes.
X
Press the b button.
In the program column, the G preselection
memory numbers appear. The selected pre-
selection time flashes.
X
Press the Û or â button to select the
desired preselection time.
X
Press the b button.
The preselection time is selected. The days
are shown.
X
Set the day and time as described in the "Set-
ting the day, time and operating duration"
section (Y page 152).
The departure time is stored. The program
column disappears. In the display panel, the
on message and the y symbol appear.
X
Press the b button.
The operating duration flashes.
X
Press the Û or â button to set the
minute value (10 to 120).
X
Press the b button.
The operating duration for the preselection
time is saved. The time and number of the
selected preselection memory are shown.
The preselection memory that will be activa-
ted next is underlined. Additionally, the day
that is set appears.
Deactivating departure times
X
Carry out the steps as described in the "Set-
ting the departure times" section
(Y page 153).
If the y symbol in the status bar is shown:
X
Press the Û or â button until the off
message in the display panel is shown.
X
Press the b button.
The departure time is deactivated. The time is
shown.
Operating the auxiliary heating system
153
Climate control
Z
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