Audi A4: Laws and Regulations
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Laws and Regulations
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General Information
Note
The laws and regulations listed below are applicable in
Germany. Different or additional laws and regulations may apply
in other countries.
The effects of climate change can be seen wor
Laws and Regulations
Refrigerant Circuit, Converting R12 to R134a and Servicing
Note
For environmental reasons and on account of the
corresponding legislation, refrigerant R12 can no longer be
manufactured or
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Fuel
Types of gasoline
The correct gasoline grade is stated on the inside
of the fuel filler door.
The vehicle is equipped with a catalytic converter
and must only be driven with unleaded gasoline.
Audi recommends using TOP TIER Detergent Gasoline.
For additional information on TOP TIER Detergent
Gasol
Quick-Release Connections on Refrigerant Lines
WARNING
The quick-release coupling connectors may be
unlocked and opened only if the refrigerant circuit is
empty.
Note
This illustration shows the quick-coupling connection with a
refrigerant pipe with an inner heat exchanger that is installed
in the Audi A4 from MY 2008 and
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