If you turn the ignition switch to the ACC or OFF position with the headlights ON, the headlights remain on for about 5 minutes. However, if the driver's door is opened and closed, the headlights are turned off after 15 seconds.
The headlights can be turned off by pressing the lock button on the transmitter (or smart key) twice or turning the light switch to the OFF position.
Kia Niro 2017 (DE HEV) Service Manual: Cluster Fascia Panel Components and components location
Component Location
1. Cluster fascia panel assembly
...
Kia Niro (DE HEV) Owners Manual: Noise and smoke
When the air bags inflate, they make a loud noise and they leave smoke and powder
in the air inside of the vehicle. This is normal and is a result of the ignition
of the air bag inflator. After the air bag inflates, you may feel substantial discomfort
in breathing due to the contact of your ch ...