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e date and time set in the vehicle are correct Time 
Open the Auxiliary heater menu. 
Touch the Set function button. 
Select one of the memory locations for a Departure time. 
Touch the Activate function button. 
Manual air conditioning system: the programmed departure time determines the time at which 
the auxiliary heater or ventilation should switch off. The point at which the heating or ventilation 
process starts is determined depending on the programmed running time. 
Climatronic: on the basis of the programmed departure time, the vehicle automatically 
calculates the start time for heating or ventilation to the currently set temperature depending on 
the outside temperature. 
Press the Running time function button under Adjust in order to select the running time when the 
auxiliary heater is switched on using the immediate heat button  or remote control. 
Checking programming 
If a departure time has been activated, the LED in the immediate heat button  will light up on the 
Climatronic control panel for approximately 10 seconds after the ignition is switched off. 
 
WARNING 
Never program the auxiliary heating system so that is switched on and run in unventilated or 
enclosed spaces. Among other things, the emissions from the auxiliary heater contain carbon 
monoxide, which is an odourless and colourless poisonous gas. Carbon monoxide can cause people 
to lose consciousness. It can also cause death. 
Remote control 
 
Fig. 93 Auxiliary heater: remote control (left) with battery compartment (right). 
First read and observe the introductoryinformation and safety warnings 
     
        
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hina: www.vwcarnet.com.cn 
Before using the Volkswagen Car-Net services for the first time, please read and observe the 
information in the relevant service description. This will quickly help you to become familiar with the 
services and make you aware of potential risks to yourself and others, and how to avoid them. 
 
WARNING 
Accidents and injuries can occur if the driver is distracted. 
Always drive carefully and responsibly. 
 
WARNING 
Failure to observe the information in the service description can lead to your vehicle breaking down 
in traffic, and can cause accidents and serious injuries. 
Always use the most up-to-date edition of the relevant service descriptions which is available on the 
Volkswagen website. 
 
WARNING 
The following conditions can make it impossible to make a telephone call, run a Volkswagen Car-Net 
service or transfer data: 
If your current location is in an area with no or insufficient mobile communications and GPS 
reception. This can also include tunnels, streets with tall buildings, garages, multi-storey car parks, 
underpasses, mountains and valleys. 
If you are in an area with sufficient mobile communications and GPS reception but the 
telecommunications provider's mobile network is overloaded, out of order or unavailable. 
If the components in the vehicle required for the services and data transmission are damaged, not 
working or do not have sufficient electrical power. 
The battery for the mobile device is empty, does not have a sufficient charge level or has no more 
call credit. 
 
WARNING 
Using computers and mobile devices in public or non-secured LAN and WLAN networks can lead to a 
loss of control over your Volkswagen Car-Net services. 
In addition to the usual precautionary measures to be taken when using the Internet, you should 
protect your computer and mobile device with suitable anti-virus software and regularly update its 
signatures.  
     
        
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safety procedures and have the correct equipment, service fluids and suitable tools. Serious injuries 
can be caused by carrying out work incorrectly 
workshop. Volkswagen recommends using a Volkswagen dealership for this purpose. 
Information for warning and indicator lamps lit up can be found in the troubleshooting at the end of 
the chapter Troubleshooting 
Location of the 12-volt vehicle battery 
The 12-volt vehicle battery is located in the engine compartment. 
Explanation of the warnings on the 12-volt vehicle battery 
Always wear eye protection!Electrolyte is very corrosive and caustic. Always wear 
protective gloves and eye protection!Fire, sparks, naked lights and smoking are prohibited!
A highly explosive mixture of gases is given off when the 12-volt vehicle battery is charging!
Always keep children away from electrolyte and the 12-volt vehicle battery!Always 
observe the owner's manual! 
 
WARNING 
Any work on the 12-volt vehicle battery and the electrical system can cause serious chemical burns, 
fire or electric shocks. Always read and observe the following warnings and safety information 
before carrying out any kind of work: 
 any work on the 12-volt 
vehicle battery and also disconnect the negative cable from the 12-volt vehicle battery. 
-volt vehicle battery. 
 
12-volt vehicle battery, ensure that your hands, arms and face in particular are protected from acid 
spillages. 
r work near naked flames or sparks. 
discharge. 
 
-volt vehicle battery. It can explode. Damaged 12-volt vehicle batteries 
must be replaced as soon as possible.  
     
        
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12-volt vehicle battery, ensure that your hands, arms and face in particular are protected from acid 
spillages. 
-volt vehicle battery. Electrolyte may spill out of the battery vents and cause 
chemical burns. 
-volt vehicle battery. 
Then consult a doctor immediately. 
lyte is swallowed, consult a doctor immediately. 
Charging, replacing, disconnecting and connecting the 12-volt vehicle battery 
First read and observe the introductoryinformation and safety warnings
If you suspect that the 12-volt vehicle battery is damaged or faulty, go to a qualified workshop and 
have the 12-volt vehicle battery checked. 
Charging the 12-volt vehicle battery 
The 12-volt vehicle battery should be charged by a qualified workshop, as the technology used in 
factory-fitted 12-volt vehicle batteries requires voltage-limited charging 
recommends using a Volkswagen dealership for this purpose. 
Replacing the 12-volt vehicle battery 
The 12-volt vehicle battery has been developed to suit the conditions of its installation location and 
has special safety features. If a 12-volt vehicle battery has to be replaced, find out about the 
electromagnetic compatibility, size and necessary maintenance, power and safety requirements for 
the new 12-volt vehicle battery at a Volkswagen dealership before purchase. The ventilation opening 
of the vehicle battery must always be on the negative terminal side: the ventilation opening on the 
positive terminal side must always be sealed. 
Only maintenance-free vehicle batteries compliant with the standards TL 825 06 and VW 7 50 73 
should be used. These standards must be dated October 2014 or later. 
Always have the 12-volt vehicle battery replaced by a qualified workshop, as the vehicle electronics 
must be adapted as part of the replacement process. Only qualified workshops have the technology 
required to carry out this adjustment correctly. Volkswagen recommends that the 12-volt vehicle 
battery is replaced by a Volkswagen dealership. 
Disconnecting the 12-volt vehicle battery 
Please observe the following if the 12-volt vehicle battery has to be disconnected from the electrical 
system in the vehicle: 
 
-theft 
alarm.