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:
Smart key. Repair procedures
Smart Key
Smart Key Code Saving
1.
Connect the DLC cable of GDS to the data link connector in driver
side crash pad lower panel, turn the power on GDS.
...
RADIO : FM, AM OR XM Changing RADIO mode (FM, AM or XM)
Press the key to change the mode
in order of FM1➟FM2➟ AM➟XM1➟XM2➟XM3.
When the power is off, press the
key to turn on the audio system
and receive rad ...
Rail Pressure Sensor (RPS). Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the RPS at idle and various engine
speed. ...

