Component Location Overview - Display Control Head
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.
For the display control head for heating the same designation is used as on the A/C system Front A/C Display Control Head -E87-. Refer to COMPONENT LOCATION OVERVIEW - DISPLAY CONTROL HEAD .