WARNING: This page is about a different car, the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, and 2021 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.
-- Carefully pull the engine cover off the ball pins one after the other in direction of -arrows-. Do not pull sharply on the engine cover or pull it to one side.