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.
Kia Cee'd JD Service Manual: Crash Pad Side Cover Repair procedures
Replacement
[LH]
•
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 Service Manual: Compressor Oil Repair procedures
Oil Specification
1.
The R-134a or R-1234yf system requires synthetic compressor oil (PAG)
whereas the R-12 system requires mineral compressor oil. The two oils
must never be mixed.
2.
Compressor oil (PAG) varies according to ...