This system provides further enhancements to vehicle stability and steering responses when a vehicle is driving on a slippery road or a vehicle detected changes in coefficient of friction between right wheels and left wheels when braking.
Kia Cee'd JD Service Manual: Head Lamps Repair procedures
Inspection
1.
Check-points upon head lamp failure (HID)
(1)
Check the battery voltage. (Low beam will be on when the battery
voltage above 9V.)
(2)
Check the fuse and relay.
...
Kia Cee'd JD Service Manual: DC DC Converter Repair procedures
Removal
1.
Disconnect the battery negative terminal.
2.
Remove the glove box housing.
(Refer to Body - "Glove Box Housing")
3.
Disconnect the DC/DC converter conector (A).
4 ...