Somethings wrong here!!!

Ok so I take my 2000 jetta to my mechanic to get a coolant leak fixed. He has the car a couple of days and when i get it back there is no more leak, however now the windows do not work from any switch, the remote will not lock or unlock the doors (it will arm and disarm the alarm, however) and none of the interior courtesy lights work... what would be causing this everything was fine before he took the car??? Any help would be greatly appriciated, no windows makes going to the bank difficult!! Thanks,,, Scott.