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:
Engine Control Module (ECM). Repair procedures
Removal
When replacing the ECM, the vehicle equipped with the immobilizer
must be performed procedure as below.
...
ESC OFF Switch. Description and Operation
Description
1.
The ESC OFF switch is for the user to turn off the ESC system.
2.
The ESC OFF lamp is on when ESC OFF switch is engaged.
...
Description and Operation
Description
Windshield deicer system prevent windshield wiper from freezing in the
winter season. It consists of deicer in the lower part of windshield, switch
and relay. Body control module ...

