The purpose of the air bag warning light in your instrument panel is to alert you of a potential problem with your air bag - Supplemental Restraint System (SRS).
When the ignition switch is turned ON, the warning light should illuminate for approximately 6 seconds, then go off.
Have the system checked if:
Kia Niro 2017 (DE HEV) Service Manual: Specifications
Specifications
Item
Specification
Front disc brake
Type
Ventilated disc
Disc O.D.
O 280 mm (12.02 in)
Disc thickness
22 mm (0.86 in)
Caliper p ...
Kia Niro 2017 (DE HEV) Service Manual: Passenger Airbag (PAB) Module Components and components location
Components
1. Passenger Airbag (PAB)
...