Pressing the button of the front outside door handles with all doors (and tailgate) closed and any door unlocked, locks all the doors (and tailgate). The hazard warning lights will blink once to indicate that all doors (and tailgate) are locked. The button will only operate when the smart key is within 0.7 ~ 1m (28 ~ 39.3 in) from the outside door handle. If you want to make sure that a door has locked or not, you should check the door lock button inside the vehicle or pull the outside door handle.
Even though you press the button, the doors will not lock and the chime sounds if any of the following occurs:
Kia Niro 2017 (DE HEV) Service Manual: Heater Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater -"Heater Unit")
3.
Remove the heater core cover (A) after loosening the mounting screw ...
Kia Niro 2017 (DE HEV) Service Manual: Temperature Control Actuator Repair procedures
Inspection
1.
Switch "OFF" the ignition.
2.
Disconnect the temperature control actuator connector.
3.
Verify that the temperature control actuator operates to the cool position
when connecting 12V to termin ...