The latch is attached to linkages... you have to grab those linkages and pull them in the direction that the latch would've pulled them (usually inward).
To open a stuck door on a 2000 Kia Sephia, remove the door panel and check the latch mechanism. It is likely to be bent. Better to replace the latch mechanism.
Can you get inside the car and remove the interior panel of the door that is stuck ? If you can remove that panel you will be able to manually pull the door catch (And then open the door and have the door latch fixed properly)
To fix a trunk latch that is stuck open, the teeth on the lock may have to be adjusted so the trunk will close. It is also possible that the cable for the trunk latch is broken. To fix the gas cap door latch may require a little bending and adjusting with a pair of pliers.
Have you tried putting a screwdriver through the latch hole and pulling down on the screw driver (Imitating the opening movement of the latch) If that doesn't work you will need to remove the latch to release it.
Remove the side panel and manually depress the plastic latch on the tape cassette. Remove the cassette and shut the door again. You may have to push the latch a bit to get it to close right.
You can open a stuck hood by removing the hood latch. The hood latch can be access through the front grill. Remove the code latch retaining bolts. The hood should be free to open.
pull the door handle on the outside and open the latch by hand both at the same time
ideaswill it open from the outside and not the inside if so then it's a child safety lock located on the door jam near the latch if not you could have any of the following broken lock, door latch or the latch is just stuck.
What I do is, pull the latch, slip a pack of cigarettes under it to keep the latch open, and then slip the credit card ege inside and open the door. Of course, you have to be a smoker or have something the right size. Hope this helps.
you have to remove the inside panels to get at the latch to open
your trunk latch may be stuck in the open position. The latch pushes to the left to open, try pushing it to the right and see if it pops into place.
Try using the key to open the lock mechanism while the door is unlocked.