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
SEE MORE:
Receiver/Dryer or Accumulator and Restrictor, Replacing after Cleaning
Refrigerant Circuit
Note
Cleaning the refrigerant circuit means flushing it with
refrigerant R134a. Refer to
→ Chapter "Refrigerant Circuit, Cleaning (Flushing), with
Refrigerant R134a" or blowing through with compressed
air and nitrogen. Refer to
→ Chapter "Refrigerant Circuit, Flushing with
Special driving situations
Driving uphill and downhill
When driving uphill, downhill, or at high altitudes,
note the following information:
Drive slowly and carefully.
Do not try to turn around if you cannot safely
drive on an incline or hill. Instead, drive in reverse.
When driving down hills, you can activate the
hill
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