Above the door latch or from the outside with a key.
Kia rio door lock problem.
This is a common problem on kia see here.
When this happens it is because the door latch is jammed in this case pulling on the push rod won t open it.
Correct that kia should sort out the quality control of their rio door mechanisms.
Broken solanoid spring inside latch mechasim is the problem.
You can partially remove the door panel to bypass the latch so that you can help the door to open from the inside but this is not an easy job and you risk to cause further damage.
It fails to return when pulling on the door handle when it s locked.
Normally these issues could lead to a serious damage if not repaired in time.