Battery -A-, REMOVING AND INSTALLING: Notes

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.

Vehicles with 48V System (PR Number VH2/VH3)

The 12V and 48V systems reinforce each other via the Voltage Converter, 48 V/12 V -A7-. As a result, the system can only be de-energized when the 48V system was de-energized beforehand.

-- De-energize the 48V system. Refer to 48V SYSTEM, DE-ENERGIZING .

All Vehicles

For subsequent work on the SCR system, wait until all of the reducing agent has returned after switching off the ignition.