Front Seat Fan, Removing And Installing, Seat Backrest: Installing
WARNING: This page is about a different car, the 2022 Audi SQ7 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 and note the following:
The sealing lip -1- on the rubber boot must enclose and seal all around the fan -2-.