Air conditioning systems designed for refrigerant R12 are
only to be filled with refrigerant R134a if certain requirements
are fulfilled. Refer to
→ Chapter "Refrigerant Circuit, Convertin
General Information
Vehicles with a high-voltage system (hybrid vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by elec
Work procedure may vary depending on the type of tools
selected (the tool-specific operating instructions should
therefore be followed).
The refrigerant circuit is to be discharged if parts of th
WARNING
During road tests using a vehicle diagnostic and
information system, there is the hazard of extreme to
lethal injuries!
If vehicle diagnostic and information system is
deposited in the action area of an airbag during a road
test, here is the hazard of extreme to lethal injuri
"Low" A/C System Version
Note
There are different versions of the Audi Q7 A/C system
depending on the vehicle equipment.
Identifying features of a "Low" A/C system version
Front A/C Display Control Head -E87- version
-A-
There is no Rear A/C Display Control Head -E265- (version
-A- or