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: Temperature Control Actuator
Description and operation Description The heater unit consists of mode control actuator and temperature control actuator. Located in the heater unit, the temperature control actuator regulates the temperature in the following procedures. Signal from control unit adjusts the position of the temperature door by operating the temperature switch.Kia Stinger (CK) 2018-2023 Owner's Manual: Accelerator Position Sensor (APS)
Specifications Specification Accelerator Position Output Voltage (V) [Vref = 5V] APS1 APS2 C.T 0.7 - 0.8 0.33 - 0.43 W.O.T 3.99 - 4.23 1.94 - 2.18 Description and operation Description Installed on the accelerator pedal module, the Accelerator Position Sensor (APS) detects the rotation angle of the accelerator pedal.