To sound the horn, press the area indicated by the horn symbol on your steering wheel (see illustration). The horn will operate only when this area is pressed. Check the horn regularly to be sure it operates properly.
CAUTION
Kia Niro 2017 (DE HEV) Service Manual: Components and positions
Components
1. Smart key unit
2. Body control module (BCM)
3. Wireless power charging unit
4. Instrument cluster
...
Kia Niro 2017 (DE HEV) Service Manual: Front Seat Assembly Components and components location
Component Location
1. Front seat assembly
...