What are a few issues with the security system on the Hyundai Elantra?

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If the security system in your Hyundai Elantra isn't functioning properly, the first step to troubleshoot is checking the battery in your key fob. A weak battery can prevent the alarm from arming and disarming with the fob, leading to issues. If you've replaced the battery and the problem persists, consider resetting the alarm, which often resolves many issues. If a reset doesn't work, the next course of action would be to take your vehicle to a dealership for them to examine the body control module for potential faults.

What are a few issues with the security system on the Hyundai Elantra?

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