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Refrigerant Circuit with Expansion Valve and Evaporator
The following illustration shows only the principle of a
refrigerant circuit, the design of the refrigerant circuit in
the respective vehicle can be found in the vehicle-specific
repair manual. Refer to
→ Heating, Ventilation and Air
Engine oil specifications
The engine oil used must conform to exact specifications.
The service interval display in the instrument
cluster of your vehicle will inform you when it is
time for an oil change. We recommend that you
have your oil changed by an authorized Audi Service Advisor.
If you hav