2004 Audi A8, Battery diconnected now it won't start at all
I have a 2004 Audi A8L. Recently I disconnect the battery, but when the battery was reconnected it would not start, and the windows would not roll up, although the battery is fully charged. When the ignition is turned it makes absolutely no sound, although the seats and lights work. The dash doesn't light up at all. This car worked perfectly before. I am lost. If anyone has any knowledge on this particular situation please feel free to chime. I am completely baffled.