Driving
5.6 Heating and air-conditioning system
Operating manual 3 302 709 en 5 - 77
GMK5150L
12.01.2018
H
This section describes how to switch on manually. The auxiliary heater can
also be switched on automatically;
à Auxiliary water heating system,
p. 5 - 70.
• Switch on the ignition; à Switch the ignition on, p. 4 - 9.
• Press the button (1) until the menu row (2) is displayed.
If you do not make settings within 10 seconds of switching on, the control
unit switches to idle mode.
• Use button (1) or (2) to select the symbol (3) and confirm with button (4).
The auxiliary heater switches on.
Setting the
heating level
You can preselect a heating level between 10 and 30.
• Use button (1) or (2) to select the symbol (3) and confirm with button (4).
• Change the heating level using button (1) or (2) and confirm with
button (4).
The higher the preselected heating level, the faster the auxiliary heater fan.
s
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