When all the doors (and tailgate) are locked and closed, the door handle lamp will come on for about 15 seconds if any of the below is performed.
• With the smart key system
- When the vehicle is approached with the smart key in possession.
Kia Niro (DE HEV) Owners Manual: Closing the hood
1. Before closing the hood, check the following:
All filler caps in the engine compartment must be correctly installed.
Gloves, rags or any other combustible material must be removed from the
engine compartment.
2. Lower the hood halfway and push down to securely lock in place.
Then ...
Kia Niro 2017 (DE HEV) Service Manual: Components and components location
Component Location
1. Hood switch
2. Burglar horn
3. Body control module (BCM)
4. Door lock / unlock buzzer
5. Front door actuator & switch
6. Rear door actuator & switch
7. Tailgate actuator & switch
...