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To remove the mechanical key (2), press and hold the release button (1) and remove the mechanical key.
To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard.
Kia Stinger (CK) 2018-2023 Owner's Manual: Smart key precautions
If you lose your smart key, you will not be able to start the engine. Tow the vehicle, if necessary, and contact an authorized Kia dealer. A maximum of 2 smart keys can be registered to a single vehicle. If you lose a smart key, you should immediately take the vehicle and key to your authorized Kia dealer to protect it from potential theft.Kia Stinger (CK) 2018-2023 Owner's Manual: Mode Control Actuator
Description and operation Description Located in the heater unit, the mode control actuator adjusts the position of the mode door by operating the mode control actuator according to the signal from the A/C control unit. Pressing the mode select switch shifts the mode control actuator in the order of Vent → Bi-Level → Floor → Mix.