Door Ajar light will not turn off on 2002 Kia Rio Cinco

[schwar19]

The driver's side door appears to not be closed properly because the door ajar light is on and beeping. I tightened the screws on the latch (they were loose) but that didn't solve the problem. I also lubricated the latch. About 5 years ago, I replaced the latch because the door couldn't be opened. This is different. I can open and close the door, but the light stays on and there is beeping. Any ideas would be greatly appreciated.

[rhandwor]

Check for an adjustment for the door latch. Does the door feel fully closed. The switch should be checked by hand does the light go out when holding the switch closed.