When cleaning and caring for individual vehicle components, refer to the
following tables. The information contained there is simply recommendations. For
questions or for components that are not listed, consult an authorized Audi
dealer or authorized Audi Service Facility. Also follow the informa
General Information - Telephone, Bluetooth
Hands-Free Calling, 9ZX
The Information Electronics Control Module 1 -J794- is
installed with the Microphone Unit In Front Roof Module -R164-
and is exclusively for hands-free calling. The connection to the
Cellular Telephone -R54- takes place via Bluet