it was suggested here a few weeks ago that disconnecting the blue wire to the control unit will do this. I have no btdt tho, proceed at your own risk... Pål Blesvik wrote: > > Back to my diff problem. > Does anyone know how to disconnect the automatic diff unlock system? > > Pål -- Huw Powell http://www.humanspeakers.com/audi/ http://www.humanthoughts.org/