Applies to: vehicles with Audi tablet
Select:
button > Settings > Backup & reset > Factory data reset.

Caution!
Large volumes of data are loaded after the reset. Depending on your mobile phone tariff, you may be charged for receiving data packets online via the Wi-Fi hotspot, especially if you are using the system abroad. We strongly recommend that you use a data flat rate. For more information, contact your service provider.
Note
- Please note that not only settings will be deleted when you do this; saved data may also be erased.
- Data on the micro SD card in the Audi tablet will not be deleted.