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Seat Heater Switch Repair procedures
Air Ventilation Seat Schematic DiagramsHyundai Sonata LF 2014-2019 Service Manual: Description and Operation
   Description
Emissions Control System consists of three major systems.
 • 
	Crankcase Emission Control System prevents blow-by gas from 
releasing into the atmosphere. This system recycles gas back into the 
intake manifold (Closed Crankcase Ventilation Type).
 • 
	Evaporative Emission ...
   
Hyundai Sonata LF 2014-2019 Service Manual: Heater Unit Repair procedures
   Replacement
    
When prying with a flat-tip screwdriver or use a prying trim 
tool, wrap it with protective tape, and apply protective tape around the
 related parts, to prevent damage.
1.
Disconnect the negative (-) battery terminal.
2.
Recover the refrigerant with a  ...