Hello I will help you with your question,
Turn off the child lock and insert a screwdriver or a pen into the lock where the lock finger closes around the lock post on the door jamb. This is a circular hole. Put pressure on the finger with the pen or screwdriver pulling outward and pull the inside door release handle. The lock finger should open so the door and lock will operate normally.
Let me know if this helps
The lock finger closes around the lock post as you close the door so all you need to do is put pressure on the finger and then pull the door release to pull the finger open.
Let me see if I can find a diagram