Telematics Emergency Battery -A16-, REMOVING AND INSTALLING, WITH CONNECT PLUS, (IV0 THROUGH IV8), THROUGH MY 2020: Installing
WARNING: This page is about a different car, the 2022 Audi SQ7, 2022 Audi S7, and 2022 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
Install in reverse order of removal.