The driver can activate the AEB by placing the ignition switch to the ON position and by selecting 'User Settings', 'Driving Assist', and 'Assist Emergency Braking'. The AEB deactivates, when the driver cancels the system setting.

The warning light illuminates on the LCD display, when you cancel the AEB system. The driver can monitor the AEB ON/OFF status on the LCD display. When the warning light remains ON with the AEB activated, we recommend you to have the system checked by an authorized Kia dealer.
The driver can select the initial warning activation time in the User Settings in the instrument cluster LCD display. The options for the initial Forward Collision Warning include the following:
Prerequisite for activationKia Niro 2017 (DE HEV) Service Manual: Thermostat Repair procedures
Removal and Installation
Disassembly of the thermostat may have an adverse effect, causing deteriorated
cooling efficiency. Do not remove the thermostat, even if the engine tends
to overheat.
...
Kia Niro 2017 (DE HEV) Service Manual: Battery Sensor Description and operation
Description
Vehicles have many control units that use more electricity. These units control
their own system based on information from diverse sensors. It is important to have
a stable power supply as there diverse sensors giving a variety of information.
Battery sensor (A) is mou ...