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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: Folding the rear seat
The rear seatbacks may be folded to facilitate carrying long items or to increase the luggage capacity of the vehicle. WARNING The purpose of the fold-down rear seatbacks is to allow you to carry longer objects that could not otherwise be accommodated. Never allow passengers to sit on top of the folded down seatback while the car is moving as this is not a proper seating position and no seat belts are available for use.Kia Stinger (CK) 2018-2023 Owner's Manual: To keep locks from freezing
To keep the locks from freezing, squirt an approved de-icer fluid or glycerine into the key opening. If a lock is covered with ice, squirt it with an approved de-icing fluid to remove the ice. If the lock is frozen internally, you may be able to thaw it out by using a heated key. Handle the heated key with care to avoid injury. Use approved window washer anti-freeze in system To keep the water in the window washer system from freezing, add an approved window washer anti-freeze solution in accordance with instructions on the container.