How to reset the MMI system on the Audi A4?

I am having issues with the MMI system on my Audi A4. Can someone explain how to reset it?

To reset the MMI system on your Audi A4, press and hold the MENU button and the rotary push button simultaneously for approximately 10 seconds. This will reboot the MMI and should fix any issues you are experiencing.

If the reset method mentioned above doesn't work, you can try disconnecting the car battery for a few minutes and then reconnecting it. This will also reset the MMI system and may resolve any problems.

Another option is to use the MMI factory reset option in the MMI settings menu. This will erase all personalized settings and data and restore the system to factory defaults. However, use this as a last resort as you will have to set up the system again.