Hyundai Veloster: 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 immediately when the engine start/stop button is turned on or go off after about 30 seconds when the door is closed.
Engine start/stop button positionFuel Tank Air Filter. Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
2.
Lift the vehicle.
3.
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Crankshaft Position Sensor (CKPS). Specifications
Specification
[ISG]
Item
Specification
Coil Resistance (Ω)
774 ~ 946 [20°C (68°F)]
...
Overhead Console Lamp. Repair procedures
Inspection
1.
Remove the overhead console lamp (map lamp) assembly then check
for continuity between terminals. If the continuity is not as specified,
replace the map ...