McFuzz,
I will try to write a little guide on how I eneble aux. ventilation on A6 and A7:
1. You need to enable hidden menu on your car and you need VagCom to do it. you can enable hidden menu with this coding that you can also find it on the first page:
Enable Hidden menu in MMI
[5F - Information Electr.]
[Adaptation - 10] -> Channel 6
change 0 to 1
2. It is best to do a reset of the MMI (
See picture) and after reset you need to open hidden menu. you need to press "MENU" and "CAR" at exactly the same time (this is a little bit tricky) for about 5-6 seconds. You will know that you pressed them at same time if there is no red light on the knob MENU and CAR when pressed. The hidden menu or so called green menu should start loading.
3. Now you need to enable 2. things.
Go to car/cardevicelist and find Auxiliary Heating. Enable it by pressing the big round MMI knob.
Then go back to the main page of the green menu and go to car/carmenuoperation and find Auxiliary Heating line. Select it by pressing the big MMI knob and then set value to 5 by rotating the big MMI knob. Once again press the big MMI knob to conform selection and then exit the green menu by pressing CAR knob (or any other knob (MEDIA, RADIO, PHONE, ...).
Once again reset MMI.
4. Now you need to activate another 2 bits using VagCom and the procedure is also described on the first page, but I am posting it again:
[08 - Auto HVAC] [Coding - 07] -> Long Coding Helper -> Byte 1
Bit 3 – Set to 1
Bit 4 – Set to 1
Now you need to press the CAR knob and then select Car systems (low left corner) and you should have new menu "Auxiliary Heater". In this menu you can set timers when you want to start ventilaton or how long do you want to keep ventilation on after you leave the car.
I hope that is understandable guide. :)
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