The AEB controls the maximum brakes just before the collision.
Kia Niro 2017 (DE HEV) Service Manual: Headlamp Leveling Switch Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Remove the crash pad plate [LH] (A) after loosening the screws.
...
Kia Niro 2017 (DE HEV) Service Manual: Mode Control Actuator Repair procedures
Inspection
1.
Switch "OFF" the ignition.
2.
Disconnect the mode control actuator connector.
3.
Verify that the mode control actuator operates to the defrost mode when
connecting 12V to terminal 3 and ground ...