Welcome light
Door handle lamp
When all the doors (and trunk) are closed and locked, the door handle lamp will come on for about 15 seconds if any of the below is performed.
Headlamp and Parking lamp
When the headlamp (lamp switch in the headlamp or AUTO position) is on and all doors (and trunk) are locked and closed, the parking lamp and headlamp will come on for 15 seconds if/or any of the below is performed.
At this time, if you press the door lock or unlock button on the remote key or smart key the parking lamp and headlamp will turn off immediately.
You can activate or deactivate the Welcome Light from the User Settings Mode (Light) on the LCD display.
Interior lamp
When the interior lamp switch is in the DOOR position and all doors (and trunk) are closed and locked, the room lamp will come on for 30 seconds if any of the below is performed.
At this time, if you press the door lock or unlock button on the remote key or smart key the room lamp will turn off immediately.
Hyundai Sonata LF 2014-2019 Service Manual: Curtain Airbag (CAB) Module Repair procedures
Removal
1.
Disconnect the battery negative cable and wait for at least 3 minutes before beginning work.
2.
Remove the roof trim.
(Refer to Body - "Roof Trim Assembly")
3.
Disconnect the curtain airbag harness connector.
4.
After loosening the mounting bolts and nuts remove the curta ...
Hyundai Sonata LF 2014-2019 Service Manual: Input shaft speed sensor 1 Components and Components Location
Components
1. Input shaft speed sensor 1 (Odd)2. Input shaft speed sensor 2 (Even)
...