This warning light illuminates :
When the regenerative brake does not operate and the brake does not perform well. This causes the Brake Warning light (red) and Regenerative Brake Warning Light (yellow) to illuminate simultaneously.
In this case, drive safely and we recommend that you have your vehicle inspected by an authorized Kia dealer.
The operation of the brake pedal may be more difficult than normal and the braking distance can increase.
✽ NOTICE - Electronic Brake force Distribution (EBD) System Warning Light
When the ABS Warning Light is on or both ABS and Parking Brake & Brake Fluid Warning Lights are on, the speedometer, odometer, or tripmeter may not work. Also, the EPS Warning Light may illuminate and the steering effort may increase or decrease.
In this case, we recommend you have the vehicle inspected by an authorized Kia dealer as soon as possible.
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 2017 (DE HEV) Service Manual: Description and operation
Description
Regeneration Brake
System
During deceleration or braking of an electric vehicle or HEV, the drive motor
acts as an alternator and charges the battery by converting the vehicle’s kinetic
energy generated during braking into electrical energy. Regenerative braking am ...