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 Owners Manual: System setting and activation
System setting
The Driver Attention Alert system is set to be in the OFF position, when
your vehicle is first delivered to you from the factory.
To turn ON the Driver Attention Alert system, turn on the engine, and then
select 'User Settings → Driving Assist → Driver Attention Alert → ...