This indicator light illuminates:
When the tail lights or headlights are on.
Hyundai Sonata LF 2014-2019 Owners Manual: Warning messages
Shift to P (for smart key system and automatic transaxle)
This warning message illuminates if you try to turn off the engine without
the shift lever in P (Park) position.
At this time, the Engine Start/Stop button turns to the ACC position (If
you press the Engine Start/Stop button once more, ...
Hyundai Sonata LF 2014-2019 Owners Manual: High Mounted Stop Lamp
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 mo ...