Hello, I have a Citroen C3 1.1 from 2004, before the problem which I will describe in a moment, I replaced the cylinders, Jaws and Drums on the rear axle, the car stood a week without firing, after replacing these parts I went for a ride (at the beginning, do not start) the battery was discharged, after charging the battery was on my way at the beginning something strange was happening .. the airbag indicator was on and the radio did not turn on after stopping and turning off the vehicle I did not want to turn on the wiper which did not want to turn off later, I wanted to start the car but do not start anymore, did not want to fire from the push, from the cables and after reconnecting to the charger, the parking lights were on all the time, the power windows and wipers did not work and he did not want to close the remote control. My question is what is the problem? How to fix it and what the cost will be, the computer shows no errors because the battery has been disconnected and like the computer has reset, the car is at the mechanic's for the third week and he does not know what the error is, all (the mechanical parts are operational) and you can not see anywhere anything burnt. Could someone do something and say what the cost would be more or less?