The vehicle is being slowed by engine compression.
(Wheel ➞ Engine)
Kia Niro 2017 (DE HEV) Service Manual: Rear Disc Brake Repair procedures
Removal
1.
Remove the wheel & tire.
2.
Remove the parking brake cable pin (A).
3.
Rotates the nut (A) in the counterclockwise direction and then remove
the parking cable.
4.
...
Kia Niro (DE HEV) Owners Manual: 3. Exhaust emission control system
The Exhaust Emission Control System is a highly effective system which controls
exhaust emissions while maintaining good vehicle performance.
Vehicle modifications
This vehicle should not be modified. Modification of your vehicle could affect
its performance, safety or durability and may even ...