Clean the belt webbing with any mild soap solution recommended for cleaning upholstery or carpet. Follow the instructions provided with the soap. Do not bleach or re-dye the webbing because this may weaken it.
Kia Niro 2017 (DE HEV) Service Manual: Blind Spot Detection Indicator Repair procedures
Removal
Blind Spot Detection Warning Indicator
1.
Disconnect the negative (-) battery terminal.
2.
Remove the mirror (A) from the mirror holder.
3.
Disconnect the mirror heated connector (B) and BSD ...
Kia Niro 2017 (DE HEV) Service Manual: Lumbar Support Units Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front seat back cover.
(Refer to Body - "Front Seat Back Cover")
3.
Disconnect the lumbar support motor connector (A).
...