My MMI screen is frozen and I can't access any of the functions. What's the best way to reboot the system without losing any of my saved settings or data?
ReplyTo reboot the MMI system in your Audi A4 without losing any data, simply hold down the power button for 10 seconds, then release. This will restart the system without deleting any saved settings.
You can also try resetting the MMI system by pressing and holding the MENU button and the central control knob for 10 seconds. This will also reboot the system without erasing any data.
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