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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: Power Door Lock Switch
Repair procedures Inspection Diagnosis With KDS 1. The body electrical system can be quickly diagnosed for failed parts by using vehicle diagnostic system (KDS). The diagnostic system (KDS) provides the following information. (1) Self diagnosis : Checks and displays the failure code (DTC) (2) Current data : Checks the system input/output data state (3) Actuation test : Checks the system operating condition (4) Additional function : Other controls such as the system option and zero point 2.Specifications Specification ▷ 13.5V, 150A Item Specification Rated voltage 13.5V , 150A Speed in use 0 - 18,000 rpm Pin 1 Voltage regulator IC Regulator built in type Default regulated voltage (V) [COM terminal] 14.