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Nissan Murano Key Fob Battery Replacement Guide
How to change the battery in the intelligent key fob remote control for a 3rd generation 2015 to 2018 Nissan Murano.

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2017 Murano Smart Key Fob
Back Side of Key Fob
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2015, 2016, 2017, 2018 and probably also the revised 2019 & 2020 model years) Nissan Murano SUV in changing a dead or weak battery in the intelligent or "smart" key fob remote control for the keyless entry system.

Owners of other Nissan and Infiniti vehicles such as the Rogue, Pathfinder, Armada, Versa, Sentra, Altima, Maxima, Leaf, 370Z, GT-R, Frontier, Titan, NV200, Q50, Q70, Q60, QX30, QX50, QX60, QX70 and QX80 may also find these DIY instructions to be helpful.

The compatible replacement coin cell (also known as a "button" or "watch" battery) is part number CR2032.

The only tool needed to access and change the battery is a small flathead screwdriver or a plastic pry bar tool.

Small Release Switch
Slide Switch - Release Key
The first two steps are to turn over the fob and then locate the release switch for the backup / emergency metal ignition key.

Then slide the switch over and pull the metal ignition key straight out of the fob housing.

Pull Out Emergency Key
Backup Key Removed
Set the backup key aside in a safe place.
Insert Flathead Screwdriver
Pry Apart Two Halves
Insert the blade of your flathead screwdriver or a plastic pry bar tool in between the two halves of the fob assembly.
Rear Cover Removed
Pry Out Old Battery
Gently pry apart the two halves of the fob housing.

Turn over the back cover of the fob to access the old battery in its holder.

Carefully pry out the old battery from the socket with the flathead screwdriver or your fingernail.

Avoid damaging or bending the metal electrical contacts.


Old Battery Removed
Panasonic CR 2032 3V
The OEM battery in the key fob for this 2017 Murano was a Panasonic CR2032 3 volt coin cell.
Empty Battery Socket
Install New Battery
Push a new number CR2032 battery into the socket with the "+" positive side facing down and the "-" negative side facing up towards you.
Line Up Two Halves
Snap Together Key Fob
Line up the two halves of the key fob.

Gently pop together the front and rear parts of the fob back together.

Key Fob Re-Assembled
Replace Backup Key
Make sure that the two halves of the fob are flush together at every edge.

Push the backup ignition key back into its slot until it clicks securely into place.

Ignition Key Secured
Test New Key Fob Battery
To test the new battery, stand near your SUV and press the "Unlock" or "Lock" buttons.

If the new battery is working properly, you should see the parking lights flash and also hear the door locks opening or closing.

Be sure to record the battery change in your vehicle's service records.

For more, please check out all of my 2015-2018 Nissan Murano DIY Repair & Maintenance Guides.

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