On this mode, you can change setting of the doors, lamps, and so on.
Other information:
Kia Stinger (CK) 2018-2023 Owner's Manual: Mode selection
The mode selection button controls the direction of the air flow through the
ventilation system.
The air flow outlet port is converted as follows:
Face-Level (B, D, F)
Air flow is directed toward the upper body and face. Additionally, each outlet
can be controlled to direct the air discharged from the outlet.
Bi-Level (B, C, D, E, F)
Air flow is directed towards the face and the floor.
Kia Stinger (CK) 2018-2023 Owner's Manual: Compressor oil
Repair procedures
Oil Specification
1.
The HFC-134a system requires synthetic (PAG) compressor oil whereas the
R-12 system requires mineral compressor oil. The two oils must never be
mixed.
2.
Compressor (PAG) oil varies according to compressor model. Be sure to
use oil specified for the model of compressor.