Contents:

The battery is in the trunk under the compartment cover.
When replacing the battery, disconnect the negative (-) cable (1) and remove the positive (+) battery fuse box (2).
Remove the battery mounting bracket (3).
WARNING - Touching metal surfaces in the trunk under the compartment cover

Do not touch metal surfaces in the trunk under the compartment cover 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 replace the battery from the luggage room.
Your vehicle has a maintenance-free, calcium-based battery.
When recharging the battery, observe the following precautions:
Reset items
Items should be reset after the battery has been discharged or the battery has been disconnected.
Kia Stinger (CK) 2018-2023 Owner's Manual: Automatic Transmission Control System
Description and operation Description Automatic transmission control system relies on various measurements to determine the current control status and determine the necessary compensation values. These values are used to control the actuators and achieve the desired control output. Control System Composition Shift By Wire (SBW) System Composition ▶ Operating Principle – Instead of cable, the system uses electronic signals to shift between the P-R-N-D gears.Description and operation Description • Engine coolant is used for circulating heat in order to heat and cool the transmission oil. • Rapidly elevates the transmission oil temperature during the initial cold start of the engine. • Prevents over heating of the transmission oil while the vehicle is moving.