Hello to all Now my omega has the following problem my ZV functions absolutely no more door goes up or to only if you push individually because button. I found the following when I press down the driver’s door because button one hears a buzzing noise from the Motronic box on the side of the passenger so I changed the without success afterwards the ZV distributor under the driver’s seat even without success the humming remains with each down the button. I have the kab el as well I could find everything looked at at no one a cable break any other. I ask for help Mfg Philip