Mike, This sounds like a MMI control unit issue or radio amplifier issue. The MUTE icon will permanently come up if there is a problem with the sound system. In rare cases, we have seen issues with an MMI button stuck down causing "slow" reaction of MMI menu function or permanent muting of the audio system. First check the operation of all the
Selecting “Start update”. the customer chooses to use a DVD or a USB drive via AMI, then the update may take considerably longer. 7. After the update is complete, the icon on the lower left-hand side of the MMI screen will disappear. Additionally, a confirmation can be seen in the MMI system update screen (Figure. 10). Press and hold the Power button for at least 6 seconds, then tap Restart. Press and hold the Power + Volume Down buttons for at least 5 seconds. Swipe down from the top of the screen to access the Notification Panel, then tap on "Safe mode is on" To disable and restart. Now it’s time to test. Step 1 – Reset the MMI It may be glitching. The software that runs the MMI may just be experiencing a glitch or crash, which can also be completely temporary. This generally happens if the system has too many things going on at the same time. . 140 627 735 253 414 474 798 725