The above situations are normal conditions when the active eco system is activated to improve fuel efficiency.
Active ECO operation
Limitation of Active ECO operationKia Cee'd JD Service Manual: Fuel Filler Door Release Actuator Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Open the tailgate and then remove the luggage side trim.
(Refer to Body - "Luggage Side Trim")
3.
Disconnect the fuel filler d ...
Kia Cee'd JD Owners Manual: Fuel filter warning light
(Diesel engine)
This warning light illuminates for 3 seconds
after the ignition switch is set to the
ON position and then it will go out. If it
lights up while the engine is running, it
indicates that water has accumulated
inside the fuel filter. If this happens,
remove the water from the fuel filter. ...