Question about 2004 Audi A8

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Audi A8L MMI Car Button Reboots

I have the exact same issue. I press the Car button and the system reboots. All other buttons work fine. At the same time I found another problem: when I use the keyless entry Lock button, the car locks, but there's a high pitched "beep beep beep" for about 30 seconds. Wonder if these things are related?

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Had a similar problem on my 2006 A8L
It appears that "Car" botton got stuck in pressed position due to some sand getting between buttons, another time it was "Nav" one.
After minor cleaning, and popping button back to normal position, works fine.

Posted on Sep 22, 2009

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Posted on Jan 02, 2017

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Tip

Enable Audi MMI 3G bluetooth hands-free phone


Activate Audi MMI 3G bluetooth connection and handsfree profile in your car. All Audis with Multi Media Interface 3rd generation are equipped with bluetooth, some just need activation which you can do for free, without adding any hardware.

  • You car need to have MMI 3G system. Check your Multi Media Interface version.
  • Hidden menu must be enabled.

Procedure:
  1. Turn key into II position and wait for the MMI 3G system to start. You can also use keyless buttons.
  2. Press and hold buttons SETUP and CAR.
  3. After couple of seconds hidden green menu will appear. You can now release the buttons.
  4. Navigate to diagnose > settings > Tel settings misc.
  5. Check current value in this line and switch to value with "BT/HFP" instead of "no BT/no HFP".
  6. Press RETURN and CAR buttons at the same time to exit hidden green menu.
  7. Restart MMI 3G with key combination
  8. Connect your diagnostic interface with module 5F - Control Head.
  9. Choose procedure 10 - Adaptation.
  10. Choose Channel 17 and read stored value (should be 0).
  11. Enter new value: 1
  12. Save new adaptation value.
  13. Exit.

on Jul 06, 2015 | Audi Cars & Trucks

2 Answers

Problems starting car with car key, not recognizing key. Key light blinks then when it disappears car starts on second try. door/lock button tries to start car in steering column.


The key codes work in sequence. Each time you press a button on the key, it generates a new code. The car knows what code is next, and the few that come after.
If you accidentally press the button when the key is out of range of the car, the code the key sends isn't recognized by the car as "current". The next time you press it, the car does recognize it, as it's re-synchronized.
It's possible that the battery in the key is getting weak, and that is simply time-related. Car batteries have a similar lifetime. I'm a little surprised that your alternator went out, too, but that does happen.

May 28, 2015 | Cars & Trucks

1 Answer

Hi. I have a problem with my 2006 A8L. Satnav was working fine but now it says NAVIGATION IS NOT INSTOLED and DVD unit has no power. Everything else on the MMI works. Thanks


it sounds like you had a disruption in power and it may need to be reintroduced to the car with a diagnostic computer.

Aug 14, 2014 | 2006 Audi A8

1 Answer

Bmw won't lock/unlock checked Fuses changed battery's in remotes rebooted


- Sit in the car with all the doors shut and windows up with your key fobs (all your fobs need to be done at the same time)
- With one of your keys turn the ignition on then off and remove the key
- Press and hold the unlock button and then press the lock button 3 times.
- Release all buttons and the locks will bounce up and down.
- Repeat this with the other key/keys (press and hold unlock and press lock 3 times, locks will bounce)

Jan 18, 2014 | BMW Cars & Trucks

1 Answer

2006 Audi A8L MMI went blank, no reset, no retracting... Could it be a fuse?


Sorry to state the obvious, bit just in case, have you checked to be sure the screen is turned on? Press and hold the volume knob for a few seconds. There is also a display off button on the dash to rt. of the display unit.

If all are on, try resetting the unit:
http://www.youtube.com/watch?v=vEGuqiS3EGU

Feb 27, 2013 | 2006 Audi A8 4.2

1 Answer

Audi A6 2007, MMI when I press Car the Setup the screen reads 'There are no futher vehicle options available'.


Check in hidden green menu if you have everything configured as it should be.
Details at http://mr-fix.info/

Dec 16, 2012 | 2007 Audi A6 Avant Wagon

1 Answer

Hi, my Audi A6 2006 won't lock the driver side door, when I press the lock button on my remote, even if I press the lock button once or twice!


Look at your MMI in there go to settings and check that your locking is to all doors in the MMI you can set what you like and what door to lock your Drivers door lock may be switched off just change it to on and it will work.

Mar 22, 2011 | 2006 Audi A6

1 Answer

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
active load intervention by the battery and
energy management system:
- Interior lighting
- Sunroof
- Light/humidity sensor
- Interior mirror

Check you ambient in car lighting settings in the mmi user functions for current settings

Park brake uses 58d terminal and the rest use 58s terminal from memory

Dec 20, 2010 | 2006 Audi A8

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