Hyundai Sonata LF 2014-2019 Service Manual: Relay Box (Passenger Compartment) Repair procedures
Fuse Inspection
1.
Be sure there is no play in the fuse holders, and that the fuses are held securely.
2.
Are the fuse capacities for each circuit correct?
3.
Are there any blown fuses?
If a fuse is to be replaced, be sure to use a new fuse of the
same capacity. ...
Hyundai Sonata LF 2014-2019 Owners Manual: Lane keeping Assist System (LKAS)
The Lane Keeping Assist System helps detect the lane markers on the road with
a camera at the front windshield, and assists the driver's steering to help keep
the vehicle in the lanes.
When the system detects the vehicle straying from its lane, it alerts the driver
with a visual and audible warn ...