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
General Description
The supercharger Compressor Magnetic Clutch -N421- is
controlled by the engine control module (ECM) as required, i.e.
the clutch is only engaged when high engine output is requested.
The Compressor Magnetic Clutch -N421- is engaged and forms a
frictional connection between th
A/C System Control and Regulation Information
Note
If there is a malfunction in the A/C system, first check the
DTC memory for the Front A/C Display Control Head -E87- (and the
Rear A/C Display Control Head -E265-). Refer to Vehicle
Diagnostic Tester in the "Guided Fault Finding" functi