This chapter contains information on the following subjects:
→ Switching the auxiliary heater on or off
→ Remote control→ Programming the auxiliary heater
→ OperationThe auxiliary heater is supplied with fuel from the vehicle fuel tank and can be used when the vehicle is in motion or stationary.
The auxiliary heater can be switched on using the immediate heat button in the air conditioning controls, the remote control, or via a preset departure time. The auxiliary heater can be programmed via the auxiliary heater menu in the infotainment system.
In the winter you can switch on the auxiliary heater before starting your journey to clear the windscreen of ice, condensation and a thin layer of snow.
When the outside temperature is high, the auxiliary heater can also be used to ventilate the interior when the engine is switched off.
Additional information and warnings:

DANGER

WARNING

WARNING

NOTICE
Switching the auxiliary heater on or offRenewing left oil seal
Special tools and workshop equipment
required
Multipurpose tool -VW 771-
Thrust piece -3305-
...
Incorporation of high-voltage heater (PTC) - Z115- into coolant circuit
Note
In vehicles with a high-voltage system, the high-voltage
heater (PTC) -Z115- is used as a supplementary heater.
In vehicles with a high-voltage system and an auxiliary
heater installed as optional equipment, the ...
Removing and installing bulb for number plate light -X4-/-X5-
Note
If an LED number plate light is faulty, the entire number
plate light must be renewed.
Removing:
–
Switch off ignition and all electrical consumers.
–
If i ...