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How to Replace the Key Fob Battery in a Nissan Sentra

Model: Nissan Sentra B18, MK 8 - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

In today's video, we will see how to replace the battery in the key fob of a Nissan Sentra. This guide also applies to other models from the Japanese manufacturer equipped with the same keyless unit.

Start by removing the metal key from its slot by pulling it out from the designated end. Then, use a screwdriver to open the plastic cover that hides the battery. Finally, remove the old, exhausted battery and replace it with a new one of the same type.

You can then reassemble everything and test its proper functioning.


Updated on 7 June 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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