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 positionMaintenance under severe usage conditions
The following items must be serviced more frequently on cars normally used under
severe driving conditions. Refer to the chart below for the appropriate maintenance
intervals.
R : Replace I : In ...
Manifold Absolute Pressure Sensor (MAPS). Troubleshooting
Signal Waveform
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SRS Control Module (SRSCM). Repair procedures
Removal
1.
Remove the ignition key from the vehicle.
2.
Disconnect the battery negative cable and wait for at least three
minutes before b ...