See also:

Side repeater light bulb replacement (if equipped)
If the light bulb is not operating, have the vehicle checked by an authorized HYUNDAI dealer. ...

Keys
For greater convenience, the same key operates all the locks in your Hyundai. However, because the doors can be locked without a key, carrying a spare key is recommended in case you accidentally ...

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. ...