Hyundai Elantra left turn signal malfunction when headlights are on despite multi switch replacement on Hyundai Elantra

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Hyundai Elantra owners report experiencing issues with the left turn signal, particularly when the headlights are on, despite having replaced the multi switch. These owners note that the left turn signal may stay illuminated without blinking, which could indicate a malfunctioning turn signal switch that requires further inspection or replacement. Additionally, when the headlights are off, some owners find that the left front blinker functions but blinks unusually rapidly, suggesting a possible faulty bulb or poor connection. There are also reports of the left front blinker failing to operate when the headlights are activated, pointing to potential wiring or connection problems. Furthermore, some owners have encountered situations where the turn signal or headlights remain on continuously due to a malfunctioning side light or a stuck switch. In light of these issues, thorough inspection of the wiring, connections, bulbs, and turn signal switch is recommended, and seeking professional assistance may be necessary if problems persist.

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