The type label for refrigerant and filling capacities is
located on the hood.
1 - Refrigerant oil identification (here PAG oil) and additional
information. Refer to
→Fluid Capacity Tab
Front Seat Heating
Note
Depending on vehicle equipment, there are different versions
of the A/C system for the Audi Q7. Make sure to use the correct
version and pay attention to the allocati
Front Seat Ventilation
Components that are involved in the activation of the front
seat ventilation
The Front A/C Display Control Head -E87- sends the request
to switch on the seat ventilation (and
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - Solid
When water is heated in a container (heat absorption), water
vapor can be seen to rise. If the vapo