Hyundai Sonata: 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.
Engine start/stop button position
OFF
To turn off the engine, press the engine start/stop button with the engine start/stop
button in the ON position and the shift lever in P(Park). When you press the engine
start/stop button wit ...
See also:
Components and Components Location
Component Location
1. Windshield deicer relay (Built-in engine room relay box)
2. Windshield deicer switch
3. Windshield deicer
4. Deicer connector
...
Body Control Module (BCM). Repair procedures
Trouble Diagnostics When Using GDS
1.
The body control module can diagnose by using the GDS more quickly.
The BCM communicates with the GDS and then reads the input ...
Passenger Airbag (PAB) Module. Description and Operation
Description
The passenger airbag (PAB) is installed inside the crash pad and protects
the front passenger in the event of a frontal crash. The SRSCM determines if
and when to deploy the PAB. ...

