1
●
Press button on the remote control
›››page154.
●
Automatically at the scheduled departure
time or after the programmed operating time
has elapsed .
●
Automatically when the control lamp (fuel
level indicator) lights up.
●
Automatically when the 12-volt battery
charge drops too low ›››page351.
Setting the desired temperature
●
Open the infotainment system’s Auxiliary
heating menu.
●
Set the desired temperature using and .
Things to note
Once switched o, the auxiliary heater will con-
tinue to operate for a short period of time in
order to burn the fuel remaining in the system
and also to expel the exhaust fumes.
Radio-operated remote control
Fig.118 Auxiliary heating: radio remote
control.
›››Fig.118
Switch the auxiliary heater on
Switch the auxiliary heater o
Control lamp.
If the buttons on the remote control are pressed
unnecessarily, the auxiliary heating may be
switched on unintentionally, even if you are out-
side the operating range or the control lamp is
flashing.
To switch on and o the independent heating,
the button must be pressed and held for ap-
proximately 1 second.
Control lamp on the remote control
When the buttons are pressed, the control lamp
on the remote control
1
provides the user with
dierent information:
It lights up for approx. 2 seconds
●
In green: The auxiliary heater has been
switched on using the button.
●
In red: The auxiliary heater has been
switched o using the button.
Flashes slowly for approx. 2 seconds
●
In green: No on signal has been received. The
remote control is out of range. Move closer to
the vehicle.
●
In red: No o signal has been received. The
remote control is out of range. Move closer to
the vehicle.
Flashes quickly approx. 2 seconds
●
In green: The independent heating is blocked.
Possible causes: the fuel tank is almost empty,
the 12-volt battery charge is very low or there is
a fault.
It lights up for approx. 2 seconds
●
In orange (then in green or in red): The
battery in the remote control is almost empty.
However, the on or o signal was received.
●
In orange (then flashes green or red): The
battery in the remote control is almost empty.
No on or o o signal has been received.