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How to Replace the Key Battery for the 2022 Nissan Altima

Model: Nissan Altima L34 - Years 2018-2026
Part: Key

If you don't know how to replace the button battery inside the smart key of the new Nissan Altima, don't worry because with the following guide you will be able to do it in seconds without any external help. First, locate and press the small button on the back of the cover while simultaneously sliding out the emergency key. Next, using a common flathead screwdriver, remove the back cover and proceed to replace the button battery. Finally, reassemble the cover and insert the physical key back in.

Updated on 16 May 2026 by ScegliAuto

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