FAQ for Audi head unit
Q: What is the factory set password for an Audi head unit?
A: 8866
Q: Idrive control knob can’t work
A: 1) If it is mmi 3g version, you need to check if this cable is connected well
2) Set the correct car model in factory setting (password: 8866)
If it is mmi 3g, select the option ‘09-12 B8 3G MMI HNAV’ OR ‘2013+ B8 3G MMI HNAV’.
If it has no GPS, select the option ‘B9 MIB low-res’ OR ‘09-12 B8 Concert/Symphony’.
Q: No sound when using CarPlay
A: Check the car has AUX or AMI port, if it has AMI port, need to connect AMI cable.
After connecting, set AUX or AMI in factory system.
Q: Having the static noise when entering linux system.
A: Refer this picture to solve.
Q: After installation, the emergency Light is always on
A: Check if the switch behind the frame is set to ON, and if you connect the emergency light adapter cable.