What Battery For

What battery does a Nissan key fob take?

Every Nissan owner’s manual listed here, from the 2016 Altima to the 2024 Sentra, recommends a CR2032 or equivalent for the Intelligent Key.

The battery it takes

CR2032

Each of these Nissan manuals recommends a CR2032 or equivalent for the Intelligent Key.

For a Nissan Intelligent Key, from Nissan’s owner’s manuals

Manuals read

  • 2024 Sentra, 2023 Altima, 2023 Rogue, 2023 Pathfinder, 2023 Frontier, 2023 Kicks, 2020 Titan and 2016 Altima

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How to change it, in Nissan’s steps

  1. Take the mechanical key out of the Intelligent Key.
  2. Put a small screwdriver into the slit at the corner and twist it to separate the upper part from the lower part, with a cloth over it to protect the casing. The 2023 Kicks manual adds not to press the screwdriver in too hard.
  3. Hold the new battery by its edges and fit it with the + side facing the bottom of the lower part.
  4. Close the lid securely, then press the buttons to check it works.
A smart key with its small mechanical key slid out beside it, and a flat screwdriver with its tip wrapped in tape set into the slot at the end of the case.
Take out the mechanical key, then twist a cloth-covered small screwdriver in the slit at the corner.

Nissan says not to touch the internal circuit and electric terminals, which could cause a malfunction. Holding the battery across its contact points seriously depletes it.

How long it lasts

Nissan’s 2023 Altima and 2024 Sentra manuals put the battery’s life at about two years, depending on how it’s used.

Nissan’s parts site says a CR2032 is right for most models, and to check your owner’s manual for yours.

Starting with a dead Intelligent Key

With a discharged key, the 2023 Altima manual says to put the shift lever in P, press the brake firmly and touch the ignition switch with the Intelligent Key. A chime sounds. Within 10 seconds, push the ignition switch with the brake still pressed, and the engine starts.

A smart key held flat against a round push-button start switch, its buttons facing out.
With a discharged Intelligent Key, touch the ignition switch with the key itself.

Keep coin batteries away from children

Nissan says to be careful not to let children swallow the battery or the parts you take off.

The National Capital Poison Center says that if anyone swallows a battery, immediately call the 24-hour National Battery Ingestion Hotline at 1-800-498-8666 or your poison center at 1-800-222-1222. Don’t delay. Immediate treatment decreases severity.

Common questions

How do I know a Nissan Intelligent Key battery is low?

Nissan's 2023 Altima manual says an indicator lights in the vehicle information display when the Intelligent Key battery is low, and to replace the battery as soon as possible.

Where we get our information from

From Nissan’s owner’s manuals for each model and year and Nissan’s parts site, and the safety line from the National Capital Poison Center, all read on October 25, 2026. Checked against published data from Nissan and National Capital Poison Center.

See all 4 sources
  • National Capital Poison Center, Button battery ingestion (poison.org/battery)
  • Nissan owner's manuals: 2023 Altima and 2023 Rogue (PDF)
  • Nissan Parts USA, How to Change Your Nissan Key Fob Battery (blog)
  • Nissan owner's manuals: 2024 Sentra, 2023 Pathfinder, 2023 Frontier, 2023 Kicks, 2020 Titan, 2016 Altima (PDF)

Battery sizes come from battery makers' datasheets and device makers' own manuals and help pages. Check your device's manual or the old battery before you buy. If anyone may have swallowed a battery, call the National Battery Ingestion Hotline at 1-800-498-8666 or your poison center at 1-800-222-1222 straight away.