When your vehicle moves backwards from a parking position, the sensor detects approaching vehicles to the left or right side direction and gives information to the driver.
Kia Niro (DE HEV) Owners Manual: Rear parking assist system precautions
The rear parking assist system may not sound consistently depending on the
speed and shapes of the objects detected.
The rear parking assist system may malfunction if the vehicle bumper height
or sensor installation has been modified or damaged. Any non-factory installed
equipment or a ...
Kia Niro 2017 (DE HEV) Service Manual: Seat Heater Switch Components and components location
Components
Front Seat Switch
1. Driver side seat heater switch
2. Passenger side seat heater switch
Rear Seat Switch
1. Rear seat heater switch (LH/RH)
...