The luggage room lamp comes on when the tailgate is opened.
Kia Cee'd JD Service Manual: Cluster Ionizer Repair procedures
Inspection
1.
Press the VENT switch more then 4 times within 2 seconds while pressing
the OFF switch.
Display
Fail description
00
Normal
...
Kia Cee'd JD Owners Manual: Child Seat Restraint Suitability for Seat Position using the Seat Belt
- For Europe
Use child safety seats that have been officially approved and are appropriate
for your
children. When using the child safety seats, refer to the following table.
U : Suitable for "universal" category restraints approved for use in this
mass group
U* : Suitable for "universal" category rest ...