Customer information -> Fluids in the air conditioning system for Your Volkswagen Tiguan 4 Door 2023

A safety certificate on the driver's door jamb specifies all necessary safety standards and guidelines of the traffic safety authorities in the applicable country at the  
time of manufacture. The month and year of production as well as the VIN may also be listed. Read the information in the Owner's Manual Safety certificate.  
WARNING  
Incorrect vehicle handling increases the risk of accidents, serious injuries and death.  
Follow the legal regulations.  
Follow the Owner's Manual instructions.  
NOTICE  
Incorrect vehicle handling can cause vehicle damage.  
Follow the legal regulations.  
Perform service according to the specifications.  
Fluids in the air conditioning system  
Refrigerant in the air conditioning system  
The label in the engine compartment provides information about the type and amount of refrigerant used in the vehicle air conditioning system. The label is in the  
front section of the engine compartment near the refrigerant filler tubes ⇒  
.
Warning: the air conditioning system must only be serviced by qualified technicians. Refrigerant type. Type of refrigerant oil. See service information  
(only available for authorized Volkswagen dealers and authorized Volkswagen Service Facilities). The air conditioning system must only be serviced by  
qualified technicians. Flammable refrigerant. Make sure all components are disposed of correctly and never install components removed from old vehicles or  
from recycling in the vehicle.  
Refrigerant oil in the air conditioner  
The air conditioner is filled with refrigerant oil. The label on the air conditioner compressor provides information on the type and quantity of refrigerant oil used  
Repairs and technical modifications.  
WARNING  
Air conditioner maintenance by unqualified professionals may pose a danger to safe operation and result in serious injuries.  
Only have the air conditioner serviced by qualified professionals.  
NOTICE  
Repairing or replacing the evaporator with replacement parts from scrap vehicles or recycled parts may damage the air conditioner.  
Never have repairs to the evaporator carried out with replacement parts from scrap vehicles or recycled parts.  
Only have replacement parts for the air conditioner evaporator fitted that are certified and marked in accordance with SAE standards J2842 HFO-1234y  
and R744.  
Have the air conditioner serviced only by qualified technicians who are trained according to SAE standard J2845 and certified according to SAE standard  
J2911. SAE standard J639 must be complied with while working on the air conditioner.  
Have damaged or missing refrigerant labels, e.g. in the engine compartment, replaced.  
Infotainment system and aerials  
The aerials for the Infotainment system are fitted in various places in the vehicle:  
On the inside of the rear window.  
On the inside of the rear side windows  
On the inside of the windshield  
On the roof of the vehicle  
Antennas on the inside of the window glass can be detected as thin wires.  
NOTICE  
Antennas that are located on the inside of the window glass can be damaged by abrasive objects or by corrosive and acidic materials.  
Never apply stickers over metal wires, for example on the rear window.  
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Never clean the antennas with corrosive or acidic materials.  
NOTICE  
A retrofitted Infotainment system that is incompatible with the antenna amplifier installed in the vehicle by the manufacturer may damage the antenna amplifier.  
Before retrofitting an Infotainment system, contact an authorized Volkswagen dealer or authorized Volkswagen Service Facility. Volkswagen  
recommends contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.  
Component protection  
Some electronic components and control  
modules, such as the Infotainment  
system, are equipped with component  
protection at the factory.  
The component protection allows suitably qualified professionals to legitimately install or replace components and control modules. Volkswagen recommends  
contacting your Volkswagen dealership.  
In the following situations, component protection reduces the risk of components supplied by the factory being operated without restrictions outside the vehicle.  
Installation in other vehicles, for example the components have been stolen  
Operating components outside of the vehicle  
If a message about component protection appears in the instrument cluster display or on the Infotainment system screen, contact a suitably qualified professional fo  
assistance. Volkswagen recommends contacting your Volkswagen dealership.  
Disposal of old batteries and electronic devices  
Old batteries  
As with electronic devices, old batteries must be collected and recycled separately by the end user. These batteries are indicated by the crossed-out wheeled  
garbage can symbol  
. You, as the end user, are legally obliged to return old batteries ⇒  
.
In many federal states, old batteries can be handed in to an authorized Volkswagen dealer or authorized Volkswagen Service Facility.  
You can obtain more information on return and recycling from your authorized Volkswagen dealer or authorized Volkswagen Service Facility.  
Old electrical or electronic devices  
Your vehicle contains old electrical/electronic devices, such as the navigation system SD card or remote controls. You can recognize these from the symbol of the  
crossed-out wheeled garbage can  
.
Old devices with this marking must be collected separately from normal household garbage and disposed of in accordance with legal requirements.  
Batteries within devices that are not permanently installed must be removed beforehand and disposed of separately as batteries.  
Any saved personal data must be erased before disposal of old devices.  
You can obtain more information on return and recycling from your authorized Volkswagen dealer or authorized Volkswagen Service Facility.  
WARNING  
If batteries containing lithium are damaged, gaseous or liquid substances may escape, posing a significant risk to health and the environment. A short circuit at  
the battery terminal may result in a fire or explosion. This could result in serious or fatal injuries.  
Take extreme care when handling batteries containing lithium.  
Never heat up lithium-containing batteries.  
Never damage lithium-containing batteries.  
Never short circuit the battery terminals.  
Batteries containing heavy metals are marked with the chemical symbols Hg (mercury), Cd (cadmium) and/or Pb (lead). Heavy metals can be harmful to the  
health of humans and animals and accumulate in the environment.  
In order to avoid these consequences, it is imperative to ensure you collect batteries separately and return them properly.  
Batteries for the remote control vehicle key and remote controls may contain perchlorate. For information on how to handle these materials correctly, see the  
having these batteries replaced and disposed of by suitably qualified professionals. Volkswagen recommends contacting an authorized Volkswagen dealer or  
authorized Volkswagen Service Facility.  
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