Digital Sound System Control Module -J525-, REMOVING AND INSTALLING, ADVANCED SOUND SYSTEM (8RF), FROM MY 2021: Installing

WARNING: This page is about a different car, the 2024 Audi SQ8, 2024 Audi Q8, 2023 Audi SQ8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.