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- This step is crucial as you will not be able to open the case with the key inside.
- Press the release button and slide the emergency key out of the fob.
Follow this guide to learn how to replace the battery in your 2020 Hyundai Elantra key fob. Over time, key fob batteries can lose charge and need replacement to ensure continued functionality.
This guide applies to the 2020 Hyundai Elantra key fob and may also work for other sixth-generation Elantra models.
To reassemble your device, follow these instructions in reverse order.
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