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 Owners Manual: MAINTENANCE UNDER SEVERE USAGE CONDITIONS - EXCEPT EUROPE
The following items must be serviced more frequently on cars mainly used
under severe driving conditions.
Refer to the chart below for the appropriate maintenance intervals.
R : Replace
I : Inspect and if necessary, adjust, correct, clean or replace
SEVERE DRIVING CONDITIONS
A : Repeated ...
Kia Cee'd JD Service Manual: DC DC Converter Components and components location
Component Location
1. DC/DC converter (LHD)
2. DC/DC converter (RHD)
...