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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: Line Pressure Control Solenoid Valve (LINE_VFS)
Specifications Specifications Item Specification Control type N/L (Normal Low) Control pressure kpa (kgf/cm², psi) 0 - 519.75 (0 - 5.3, 0 - 75.38) Current (mA) 0 - 850 Coil resistance (Ω) 5.Components and components location Component Location 1. Cowl top cover Repair procedures Replacement Put on gloves to protect your hands. • Use a plastic panel removal tool to remove interior trim pieces without marring the surface.