How do I reset the Audi A8's multimedia system?

I recently purchased a used Audi A8 and I'm having difficulty navigating the multimedia system. How can I reset it to factory settings?

To reset the multimedia system on your Audi A8, follow these steps: 1) Press and hold the 'Menu' button on the control panel. 2) Select 'System' from the menu. 3) Choose 'Factory Reset'. 4) Confirm the reset. Please note that this will erase all personalized settings and data on the system. If this does not solve your issue, you may need to consult a professional technician.