1. Remove the rear seat cushion assembly.
2. Remove the rear seat back assembly.
3. Slightly remove the rear door weather-strip.
4. Remove the rear door scuff trim.
5. Remove the rear pillar trim.
6. Remove the rear seat belt lower anchor.
7. Remove the rear package tray trim.
8. Remove the high mounted stop lamp after disengaging the mounting clip.
9. Install a new LED lamp.
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component
1. Steering column2. Multifunction switch3. Screw4. Clock spring
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Hyundai Sonata LF 2014-2019 Service Manual: Stop Signal Electronic Module Schematic Diagrams
System Circuit Diagram
Terminal Function
TeminalDescription1Ground 2HAC/DBC Signal (Active Low)3ESS Signal (Active Low)4Stop lamp5Stop lamp switch6ECU/ SMK7ESS Signal (Active High)8Battery
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