The vehicle is being slowed by engine compression.
(Wheel ➞ Engine)
Kia Niro 2017 (DE HEV) Service Manual: Motor Control Unit(MCU) Components and components location
Components Location
1. HPCU assembly
...
Kia Niro 2017 (DE HEV) Service Manual: Rear Back Armrest Components and components location
Component Location
1. Rear back armrest
...