Brown= KEY1 wire on Android head unit harness. Brown/white = KEY2 on Android head unit harness. 2. Turn on the car, start tapping the VOLUME UP button on the MFSW for the ASWC-1 to Wehave an A1 2015, the airbag light is on and none of the steering wheel controls work. not the horn nor the stereo controls. thanks 1999 Audi A4: Airbag light is on -Horn..Steering wheel..relay. 1999 Audi A4 1.8t -Airbag light is on -Horn doesn't work -Steering wheel radio controls don't work Could it be a fuse or relay? If not, what else Inthis video I swap my Steering wheel for a better one with buttons!Music: http://www.bensound.com Blownfuse. The horn on Audi S4 needs electricity to work. In case of a faulty fuse, the circuit is interrupted and the horn can not work. Check your S4’s owners manual or the fuse box cover to find the exact location of the fuse for the horn. If the fuse is blown, replace it with a new one with the specified amp rating. Thesteering is reinitializing. The steering wheel will move easily after starting the vehicle. Reinitialization might be necessary if the steering wheel was moved while the engine was switched off. The display turns off if the initialization was successful. WARNING. Do not tow your vehicle if there is a malfunction in the electronic steering Oneof those has broken between the E221 and the J527 (the control module on the steering column in which the clock spring is mounted). Or the E221 itself Afterall, new stuff can be dead on arrival (and with a $200 item bought for $20, likelihood of DOA is high). The only other problem can be if the clock spring isn’t centred before installing on a centred steering shaft. If it’s not centred and you turn it full turn left and right, you can pull the flexible circuit board off the connector A4steering lock does not engage and car won't turn over Parked car didn't notice steering lock had not engaged. - Audi 1997 A4 question 2000 audi a4 1.8t Quattro,walked over to the car to notice the ignition was on If so try wiggling the steering wheel whilst turning the key. Works for me. Read full answer. May 26, 2012 • 2006 Kia AudiYear: 2012. Posted May 29, 2021. Hello hope everyone's well, Recently the controls on my steering wheel have completely stop working including the horn, Thesteering wheel with shift paddles needs coding, but if I remember right A4 B8 2009 will not work with shift paddles - check the plug if you have same wires on both (steering wheel plug vs. car plug). The initial simple flat bottom steering wheel should work perfectly if you fit it back. Sent from my iPhone using Tapatalk F5BD.