Additional Information Sources

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

service information for model-specific maintenance. Refer to Component Location Overview - A/C System (vehicle-specific service information) and the appropriate Wiring Diagram.
Technical Service Handbook (HST) outlining action to be taken to rectify current problems
Self-study program, video programs for in-dealership training and VW/Audi TV programs about the A/C system
The specific dangers associated with the refrigerant, material data etc. can be found in the safety data sheets.
Special tools and workshop equipment needed to service the A/C system.
For vehicles who refrigerant circuit is filled with refrigerant R134a (vehicles with a type approval which was released before 12/31/2010 and until 12/31/2016 for those which were/are place on the market for the first time. Refer to LAWS AND REGULATIONS .