Push the A/C button to manually turn the system on (indicator light will illuminate) and off.
Hyundai Sonata LF 2014-2019 Owners Manual: Additional Safety Precautions
Passengers should not move out of or change seats while the vehicle is moving.
A passenger who is not wearing a seat belt during a crash or emergency stop can
be thrown against the inside of the vehicle, against other occupants, or be ejected
from the vehicle.
Do not use any accessories on seat b ...
Hyundai Sonata LF 2014-2019 Owners Manual: Warning light and message
When the Smart High Beam Assist System is not working properly, the warning message
will come on for a few second. After the message disappears, the master warning
light will illuminate. Take your vehicle to an authorized HYUNDAI dealer and have
the system checked.
CAUTION
The system may not ope ...