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Nissan Frontier Key Fob Battery Replacement Guide
How to change a dead battery in the key fob remote control for a 2nd generation 2005 to 2016 Nissan Frontier truck.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

2016 Frontier Key Fob
Back Side of Key Fob
This automotive maintenance tutorial was specifically written to assist owners of the second generation "D40 Series" (2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 & 2016) Nissan Frontier pickup truck in changing a dead battery in the key fob remote control for the keyless entry system.

Owners of other Nissan or Infiniti vehicles such as the Navara, Versa, Maxima, Juke, Rogue, Altima, Xterra, Pathfinder, Murano, Cube, Armada, Leaf, Quest, Sentra, Teana, 370Z, GT-R, Titan, G25, G37, M35, QX56, QX60 and M37 may also find these DIY instructions to be helpful.

A replacement coin cell (A.K.A. "button" or "watch") battery is part number CR2025 which is available from manufacturers such as Panasonic, Sony, Energizer, Duracell and GE.

The only tool needed to access and replace the key fob battery is a flathead screwdriver used to pry apart the two halves.

Notch On Bottom Edge
Pry Apart Two Halves
The first step is to separate the fob from the key ring and your other keys.

Locate the small notch on the bottom edge of the fob near the key ring loop and close to the red "Panic" button.

Insert a screwdriver in to the notch and gently pry apart the front and rear cases of the fob housing.

You can also use any other similar item such as a coin, butter knife, nail file or a key.

Key Fob Disassembled
Gently Remove Old Battery
Either pull the old CR2025 battery out of the holder in the rear half of the fob housing with your fingernail or very carefully use the flathead screwdriver to pry it out of the socket.
Old Battery Removed
Battery Socket "+" Down
The battery socket in the back of the fob housing indicates that the "+" positive side should be facing down.


Panasonic CR2025 3V
Insert New Battery
Insert a new CR2025 coin cell battery in to the socket with the "+" positive side facing down and the "-" negative side facing up towards you.
Positive Side Facing Down
Line Up Front & Back
Line up the two halves of the key fob housing together.

Gently push them back together.

Snap Together Key Fob
Test New Key Fob Battery
Make sure that the two halves of the key fob are flush together all the way around at every edge.

To test the new battery, stand near your truck and press the "Unlock" or "Lock" buttons.

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

For more, check out my other Nissan Frontier DIY Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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