Battery -A-, DISCONNECTING AND CONNECTING, IN LUGGAGE COMPARTMENT (0K0): Disconnecting
WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
-- Switch off the ignition and all electrical equipment. Place the ignition key outside of the vehicle.
-- Lift the luggage compartment floor cover.
-- Loosen the nut -1- several turns and detach the battery ground cable terminal clamp -2- from the battery terminal, in order to do this, lift the cover -3- a bit.