lock fix

Hey! I am looking for help. So I have many problems but I am looking to find a fix to one. So before I bought this car some took out the window regulators and put some wood slabs under the windows. And somehow the central locking doesn’t work. The key only opens the rear doors and the trunk...

U need: 3mm drill bit, wd40, pry tool. Open the little cloth panel carefully, and leave it hanging, no need to open the connector or handle cable, then drill hole into the module about 1cm is enough, then spray wd40 inside the hole. Put back the cloth little panel. Open and lock door a few times...