Hyundai Sonata: Seat Electrical / Seat Heater Switch Repair procedures

Removal
[Front Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and A/C control unit.
(Refer to Heating, Ventilation and Air Conditioning - "Controller")

[Rear Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear door window switch.
(Refer to Power Windows - "Power Window Switch")
Seat Heater Switch Schematic Diagrams
Circuit Diagram ...

Air Ventilation Seat Components and Components Location
Component Location ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the steering wheel. (Refer to Steering System - "Steering Wheel") 3. Remove the steering column upper and lower shrouds after loosening the screws. (Refer to Body - "Steering Column Shroud Panal") 4. Remove the cloc ...

Hyundai Sonata LF 2014-2019 Service Manual: Auto Head Lamp Leveling Unit Description and Operation
Description According to driving environment and loading state of vehicle, head lamp lighting direction is changed to keep the driver's visibility range and to protect the driver's vision from glare, aiming at safety driving. Sensor integrated ECU mounting on the rear center arm drives ...

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