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
If your Audi MMI (Multi Media Interface) system won't turn on, it is often due to a simple software glitch, a blown fuse, or a break in the fiber-optic communication loop. 1. Perform a Hard Reset audi-mmi-won-t-turn-on
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. A blown fuse is a common cause for
Press and hold Setup (or Menu), the Center Knob , and the Upper Right soft key simultaneously. 2. Check Key Fuses the Radio button up
Simultaneously push the Navigation button up, the Radio button up, and press the Center Control Knob down. Hold for a few seconds until the system reboots.