The positive crankcase ventilation system is employed to prevent air pollution caused by blow-by gases being emitted from the crankcase. This system supplies fresh filtered air to the crankcase through the air intake hose. Inside the crankcase, the fresh air mixes with blow-by gases, which then pass through the PCV valve into the induction system.
Emission control system
2. Evaporative emission control systemKia Niro 2017 (DE HEV) Service Manual: Intake Actuator Repair procedures
Inspection
1.
Switch "OFF" the ignition.
2.
Disconnect the intake actuator connector.
3.
Verify that the intake actuator operates to the fresh position when connecting
12V to terminal 3 and grounding termin ...
Kia Niro (DE HEV) Owners Manual: Engine Coolant
The high-pressure cooling system has a reservoir filled with year round antifreeze
coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant level at least once a year, at the
beginning of the winter season, and before traveling to a colder climate.
CAUTION
...