Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses.
The coolant level should be filled between MAX and MIN marks on the side of the coolant reservoir when the engine is cool.
If the coolant level is low, add enough specified coolant to provide protection against freezing and corrosion. Bring the level to MAX, but do not overfill. If frequent additions are required, we recommend that the system be inspected by an authorized Kia dealer.
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 ...
Kia Niro (DE HEV) Owners Manual: Smart cruise control system
➀ Cruise indicator
➁ Set speed
➂ Vehicle-to-vehicle distance
The smart cruise control system allows you to program the vehicle to maintain
constant speed and distance detecting the vehicle ahead without depressing the accelerator
or brake pedal.
WARNING
For your safety, please read ...