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Turn the tire hold-down wing bolt counterclockwise.
Store the tire in the reverse order of removal.
To prevent the spare tire and tools from “rattling” while the vehicle is in motion, store them properly.

If it is hard to loosen the tire holddown wing bolt by hand, you can loosen it easily using the jack handle.
1. Put the jack handle (1) inside of the tire hold-down wing bolt.
2. Turn the tire hold-down wing bolt counterclockwise with the jack handle.
Use caution when utilizing the sharp jack handle.
WARNING - Touching luggage room floor surface

Do not touch luggage room metal surface while the engine is operating or hot. Doing so could result in serious personal injury.
Turn the engine off and wait until it cools down or wear gloves to remove the spare tire from the luggage room.
Kia Stinger (CK) 2018-2023 Owner's Manual: How does the air bag system operate?
Air bags are activated (able to inflate if necessary) only when the Engine Start/Stop button is turned to the ON or engine is running. The appropriate air bags inflate instantly in the event of a serious frontal collision or side collision in order to help protect the occupants from serious physical injury. There is no single speed at which the air bags will inflate.Kia Stinger (CK) 2018-2023 Owner's Manual: Occupant Detection System (ODS)
Your vehicle is equipped with an occupant detection system in the front passenger's seat. The occupant detection system is designed to detect the presence of a properly-seated front passenger and determine if the passenger's front air bag should be enabled (may inflate) or not. Only the front passenger front air bag is controlled by the Occupant Detection System.