If the light does not operate, we recommend that the system be checked by an authorized Kia dealer.
Kia Cee'd JD Service Manual: Battery Description and operation
Description
1.
The MF(Maintenance Free) battery is, as the name implies, totally maintenance
free and has no removable battery cell caps.
2.
The MF(Maintenance Free) battery does not require water replenishment
for the repair.
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Kia Cee'd JD Service Manual: Front Seat Shield Inner Cover Components and components location
Component Location
1. Front seat shield inner cover
...