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How to Replace the Key Fob Battery on a Nissan Altima?

Model: Nissan Altima L31 - Years 2002-2006
Part: Key

Replacing the key fob battery on a Nissan Altima, as shown in this tutorial, is an extremely simple and quick operation. For this, you will need a small flathead screwdriver and a replacement CR2025 battery. First, locate the slot at the bottom of the key fob, right on the ring, then insert the tip of the screwdriver, pry it open, and separate the two halves. Once done, remove the old battery, insert the replacement battery respecting the polarity, and reassemble everything by following the reverse procedure.

Updated on 24 August 2026 by ScegliAuto

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by ScegliAuto

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