So easy to put this in the manual so why not do it. It is the switch on the drivers door that controls the child locks, as stated its the same switch that disable the rear elec window. It's located on the switches around the electric mirror controls, when you press it you will hear a clunk.
Try disconnecting the battery for 30 mins and see if it resets. make sure you have the radio code and read how to rest the 'leccy windows. Mondeo Vignale estate in deep impact blue 2.0 petrol. Ford Escort, Morris Marina, Ford Granada, VX Astra Est, VX Cavalier x2, Rover 820, MK2 Mondeo, Mk4 Mondeo 2.5T Tit X (best car i've ever had)
SJE4es.