A5 Cabriolet L4-2.0L Turbo (CAEB) (2010)
2. Press the SETUP and RETURN buttons simultaneously and hold both buttons down for about 5 seconds.
If this message is displayed, the system is not yet completely initialized. Wait a few seconds, then press the RETURN button.
3. Read current MMI train (Zug) version.
4. The train (Zug) versions listed in the table below must be updated.
P versions are production build.
K versions are service updates.
2. Update software of the 3G MMI system
1. Connect an approved Audi battery maintainer/charger to vehicle.