A blown fuse is a common cause for a completely dead MMI unit. Most Audi MMI systems are powered by multiple fuses located in the passenger-side dashboard or the rear trunk panel. Part 2: MMI Won't Turn On - Amplifier and & Testing
Press and hold the Volume/Power knob on the center console for about 15 seconds until the screen goes black and the Audi logo reappears. audi-mmi-won-t-turn-on
Press and hold Setup (or Menu), the Center Knob , and the Upper Right soft key simultaneously. 2. Check Key Fuses A blown fuse is a common cause for