Active ECO helps improve fuel efficiency by controlling the engine and transaxle. But fuel-efficiency can be changed by the driver's driving habits and road conditions.
Kia Cee'd JD Service Manual: Ambient Temperature Sensor Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the ambient temperature sensor.
3.
Check the resistance of the ambient temperature sensor between terminal
“+” and “-” whether it is c ...
Kia Cee'd JD Service Manual: Valve clearance adjustment
Valve Clearance Inspection
And Adjustment
Inspect and adjust the valve clearance when the engine is cold (Engine
coolant temperature : 20°C) and cylinder head is installed on the cylinder
block.
...