Press the A/C button to turn the system on (indicator light will illuminate) and off.
Hyundai Sonata LF 2014-2019 Service Manual: Temperature Control Actuator Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the temperature control actuator connector.
3.
Verify that the temperature control actuator operates to the
cool position when connecting 12V to terminal 3 and grounding terminal
7.
Verify that the temperature control actuato ...
Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description
Burglar Alarm State [B/A State]
B/A StateDescriptionDISARM
1.
In "DISARM" state, no vehicle start inhibition. So, when
door, hood, or Tailgate is opened, there is no alarm sound and flashing.
2.
If the battery is disconnected while the state is not "ARM/ARMWAIT/ALARM/REAR ...