Electrical equipments are not working even though inner panel and engine compartment fuses are not blown, or many of these are not working at the same time, it may has blown the main fuse(Battery Fuse Terminal type) inside of the battery(+) cap.
If the main fuse is blown, it must be removed as follows:
1. Turn off the engine.
2. Disconnect the negative battery cable.
3. Remove the nuts shown in the picture above.
4. Replace the fuse with a new one of the same rating.
5. Reinstall in the reverse order of removal.
CAUTION
Kia Cee'd JD Service Manual: Main Crash Pad Assembly Repair procedures
Replacement
•
When prying with a flat-tip screwdriver, wrap it with protective
tape, and apply protective tape around the related parts, to
prevent damage.
...
Kia Cee'd JD Owners Manual: Side impact air bag
Your vehicle is equipped with a side
impact air bag in each front seat. The
purpose of the air bag is to provide the
vehicle's driver and/or the front passenger
with additional protection than that
offered by the seat belt alone. The side
impact air bags are designed to deploy
only ...