The vehicle is being slowed by engine compression.
(Wheel ➞ Engine)
Kia Niro 2017 (DE HEV) Service Manual: Side Airbag (SAB) Module Description and operation
Description
The Side Airbags (SAB) are installed inside the front seat and protects the driver
and passenger from danger when side crash occurs. The SRSCM determines deployment
of side airbag by using Side Impact Sensor (SIS) signal.
...
Kia Niro 2017 (DE HEV) Service Manual: Reservoir Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the battery (-) terminal.
2.
Drain the hydraulic oil from the reservoir using a syringe.
3.
Loosen the reservoir hose (A) and bolts (B) and then remove the reserv ...