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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: D Position Solenoid Valve (ON/OFF)
Specifications Specifications Item Specification Control type ON/OFF Control pressure kpa (kgf/cm², psi) 539.36 (5.5, 78.23) Current (mA) 0 - 600 Coil resistance (Ω) 10.5 ± 0.5 Components and components location Components Location 1.If your vehicle is equipped with a sunroof, you can slide or tilt your sunroof with the sunroof control lever located on the overhead console. The sunroof can be operated for approximately 30 seconds after the Engine Start/Stop button is in the OFF position. However, if the driver’s door is opened, the sunroof cannot be operated even within the 30 second period.