See also:

Key operations
(1) Master key (M) Used to start the engine, lock and unlock the doors, lock and unlock the glove box, and open the trunk. (2) Sub key (S) Used only to start the engine and lock and unlock the doo ...

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. ...

High Mounted Stop Light
If the light bulb is not operating, have the vehicle checked by an authorized Hyundai dealer. ...