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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: Rear Door Inside Handle
Repair procedures Replacement 1. Remove the rear door trim. (Refer to Rear Door - "Rear Door Trim") 2. Rremove the rear door inside handle (A) after loosening mounting screws. 3. Install in the reverse order of removal. • Make sure that the door locks/unlocks and opens/closes properly.