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How to Reset the Alarm System on a Hyundai Elantra

Model: Hyundai Elantra MK 3, XD - Years: 2000, 2001, 2002, 2003, 2004, 2005, 2006
Part: Warning light – error code

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Video tutorial

In this brief guide, you will learn how to reset the alarm or anti-theft system on a Hyundai Elantra by following the instructions below. First, get inside the vehicle and turn on the ignition while holding the key in position two for thirty seconds; turn off the ignition and wait about ten seconds with the key inserted, as shown in the video.

At this point, press and hold the lock button for about ten seconds, then unlock the vehicle using the unlock button; this will reset the system, allowing you to check the alarm's functionality.


Updated on 2 October 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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