Hyundai Sonata LF 2014-2019 Service Manual: Audio Unit Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the cluster fascia upper panal.
(Refer to Body - "Cluster Fascia Upper Panel")
3.
Remove the audio head unit (A) after loosening the screws.
4.
Remove the audio head unit after disconnecting the connectors and cable ...
Hyundai Sonata LF 2014-2019 Owners Manual: Manual Heating and Air Conditioning
The heating and cooling system can be controlled manually by pushing buttons
other than the AUTO button. In this case, the system works sequentially according
to the order of buttons selected.
When pressing any button except the AUTO button while using automatic operation,
the functions not selec ...