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Illuminated engine start/stop button

Whenever the front door is opened, the engine start/stop button will illuminate for your convenience. The light will go off after about 30 seconds when the door is closed.
When all doors are closed and you lock the vehicle by using the transmitter or the smart key, the light will go off immediately.
Kia Stinger (CK) 2018-2023 Owner's Manual: Oil Pressure Switch
Repair procedures Removal 1. Disconnect the battery negative terminal. 2. Remove the alternator. (Refer to Engine Electrical System - "Alternator") 3. Disconnect the oil pressure switch connector (A) and then remove the oil pressure switch (B). Tightening torque : 7.Kia Stinger (CK) 2018-2023 Owner's Manual: Rear Cross Member
Repair procedures Removal 1. Remove wheel nuts, wheel and tire (A) from hub. Tightening torque: 107.9 - 127.5 N·m (11.0 - 13.0 kgf·m, 79.6 - 94.0 lb·ft) Be careful not to damage the wheel bolts when removing the wheel and tire (A).