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The red ambient lighting on my D3 Audi A8 MMI control panel has gone off. All the buttons use to light up with light on - now nothing?

Posted by Geoff Haggon on


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Randy Ohler

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You failed to mention which control panel and year. Have the codes read for that panel.

Posted on Nov 30, 2016


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I replaced the battery in my 2006 audi a8-- now trunk button on drivers door not working--an mmi screen and radio works for 1 min. then off Help!

Number one trick is to always maintain power when you swap an old battery for a new one. You just need a couple of lengths of wire or a set of jump leads.

The system is not a learning one. You need the dealer to connect it up to a computer and reprogram the Body Control Module.

You can try one thing first though. Disconnect the battery for at least 2 hours. Touch the two leads together for 5 minutes to ensure full dissipation of power. Put the key in the ignition, but not switched on. Connect the negative lead. Connect the positive lead in one swift movement. Leave the system for 15 minutes to reset.

Whilst the battery is disconnected, you can pull each fuse and visually inspect them for breaks.

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I replaced the battery in my 2006 audi a8-- now trunk button on drivers door not working--an mmi screen and radio works for 1 min. then off Help!

I suggest you try one of those instant download manuals. My nephew bought one for me when my car broke and we could fix it all by ourselves with the manual costing $10. This website is very good for this.
?Try it.

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Where is the relay for the MMI system on the 2005 Audi A8?

In the right luggage compartment fuse panel, check 60A fuse 132 which supplies power to the left luggage compartment fuse panel. Fuses in the left panel feed power to the devices you have identified

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My 2006 A8L 4.2 instrument cluster and a few of the front console lights such as parking sensor button, rear shade and headlight switch on the left have been flickering for months. Flickering is rapid...

I have seen this before and found the Dash insert is defective, Go to address 17 and carry out a final control segment test for the dash when the fault occurs also make sure there are no battery management fault codes.

Restriction of functions
The following are deactivated in the event of
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Voice Activation

I have a 2006 A8 and if you need help with the command say "help mmi" or when you are in one of the following modes: radio, CD, or Navigation. you can say "help ." This should provide you with all the commands the voice command can understand.

Dec 27, 2008 | 2006 Audi A8

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Audi A8 2004 Main control on MMI will not funtion.

Try it, use rubbing alcohol and q tips to clean it all, you may need to clean the inside of the units as well.... Dip the q tip in the alcohol, do not pour the alcohol on the units.

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