Basically, if the dreaded issue does come to you, i did this.
First of all, WD-40 is needed, or drip oil, nothing else.
Open the faulty door(s). Find the door latch
Stick the red straw (wd-40) right in there, upwards, behind the golden coloured greased latch and be trigger-happy. Drip oil works good too, but tends to be a bit harder to get in. After you have unleashed a tidal wave of WD-40 or something similar, grab the door lock pin and push it up and down a good dozen times, the likely hood is that before, the lock pin will feel stiff, but will be easier to move once the lubricant has kicked in. (May look weird to neighbours) Then test it, by shutting all doors and locking and unlocking the driver's door several times. Don't forget to leave a few seconds between each time, otherwise the system will automatically de-activate for a little while. If it does, just wait about 30 seconds and try again. Hope this works for other people, it worked for me several times.
Andrei.
