When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a bad influence on the air conditioning system.
Therefore, if abnormal operation is found, we recommend that the system be inspected by an authorized Kia dealer.
WARNING - Vehicles equipped with R-134a*

Because the refrigerant is at very high pressure, the air conditioning system should only be serviced by trained and certified technicians. It is important that the correct type and amount of oil and refrigerant is used. Otherwise, it may cause damage to the vehicle and personal injury.
WARNING - Vehicles equipped with R-1234yf*


Because the refrigerant is mildly inflammable and at very high pressure, the air conditioning system should only be serviced by trained and certified technicians. It is important that the correct type and amount of oil and refrigerant is used.
Otherwise, it may cause damage to the vehicle and personal injury.
Climate control air filter
Windshield defrosting and defogging: Instrument Cluster Display Main Menu - Vehicles With: 12.3 Inch Instrument
Cluster Display Screen
Depending on your vehicle options, some
menu items can appear different or not at
all.
Note: For your safety, some features are
speed-dependent and could be unavailable
when your vehicle is above a certain speed.
...
Kia Cee'd JD Service Manual: Instrument Cluster Schematic diagrams
Circuit Diagram
[Standard]
[Supervision]
...