Why Is My Nissan Key Fob Not Working After Battery Charge
If your Nissan Smart Key fob isn’t working after you’ve successfully changed the battery, it may require reprogramming. Sometimes the Smart Key loses contact with the vehicle after it’s been without a good battery. So, double-check that you put the right battery in the fob and if so, proceed with reprogramming.
Nissan Keyless Remote Battery Replacement
Owners of the Nissan Rogue, Murano, Almera, Leaf, Sentra, Primera, Versa, Xterra, Altima, Maxima, Pathfinder, Juke, and Cube will find this guide helpful. Lastly, this is a video on changing the battery on the Nissan key fob found on older models.
We hope you find the Nissan Key Fob Remote Battery Replacement guide helpful. Check these troubleshooting and repair guides for more help on your Nissan.
How To Replace A Nissan Key Fob Battery
For context, the Nissan car key battery is built and shaped like that of a wristwatch. The same goes for other vehicles using remote keys. However, due to their size and non-mainstream build, it can get tricky to replace them.
Hence, you need to be focused on the process to avoid damaging anything.
You dont need any special tools to get the old battery out and a new one in. Household items will do the trick. If you dont use household wares for repairs, visit a hardware store. Follow the following process when you have the tools you need.
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My Nissan Rogue Key Fob Does Not Have A Hidden Key How Do I Change That Battery
Some Nissan remotes for the Sentra, Rogue, and Nissan Versa do not have smart keyless entry. The process to change the battery is the same except that you place the screwdriver in the single slot at the top of the fob case and twist. Match the new battery type to the one you are removing to ensure proper function.
How To Identify The Nissan Key Battery

The batteries on most Nissan key fobs are of the same size the CR2025 battery. However, ensure to go through your owners manual to be sure. Getting the wrong Nissan remote battery size will only waste resources.
If you patronize a mechanic or service company, you can also ask them.
The best option is to reach out to the service firm many times. You can avoid unnecessary expenses by first getting to the cause of the keys refusal to work. Sometimes, it may not be a Nissan key battery problem. Pending your confirmation of the problem, you can use the fobs backup key to access your car.
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Reassembling The Key Fob
When you replace the Nissan key fob battery, instant reassembling is vital. You dont want dust or other particles to accumulate inside the compartments. Also, you can only confirm if your replacement project is accurately done when you reassemble the key.
If your key requires first putting the valet back in its place, do that. Some other keys may put the backup key even after the fob has been assembled.
Align and close the two halves of the key fob, pressing them together till it snaps back into place. Dont apply too much pressure to avoid breaking anything.
Changing A Dead Battery In A Nissan Key Fob
You press the unlock button on your key fob. Nothing happens. You get a bit closer to your vehicle and try again. Still nothing. It has a dead battery. What a pain! No worries. Its a simple fix that only takes a minute or two.
Heres how to change a dead battery on your Nissan key fob. Keep reading for our step-by-step guide.
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How To Replace The Battery In Your Nissan Key Fob
For correct 2015 Nissan Altima key fob battery replacement, follow these steps closely:
- Set the key fob on a table with the buttons facing down.
- Remove the metal ignition key You should see a small slider tab. Push the tab toward the outer edge of the key fob to release the metal ignition key. Pull the bottom edge of the key fob downward, and the key should slide out. Make sure to set the emergency key aside someplace you wont lose it!
- Pry apart the fob With the key fob buttons facing up, look into the slot where the emergency key used to be. You should see two notches on the plastic bottom edge of the fob. Carefully insert your flathead screwdriver into one of the notches, and use it to pry apart the two halves of the fob. If its stubborn, try the other notch. Remove the top half of the fob.
- Replace the battery With the top half removed, you should see the battery. Carefully pry it out with your screwdriver, taking care not to scratch the components. Push in the new battery with the positive side facing up.
- Reassemble the fob Line up the front half and the rear cover of the key fob and gently push them together, making sure theyre flush at every edge. Push the metal ignition key back into the slot until it clicks securely in place.
How To Program Your Nissan Intelligent Key
If you have misplaced your key or need to program a new one, follow these steps:
Step 1: Make sure your key is in the ignition and turn it On without starting the engine.
Step 2: Press and release the Lock button on your key fob within five seconds.
Step 3: Press and release the Unlock button on your key fob within five seconds.
Step 4: Within five seconds, press and release the Lock button on your key fob again.
Step 5: Your Nissans headlights should flash to indicate that the new key has been programmed successfully.
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Can You Replace A Key Fob Battery Yourself
You can replace the battery in your key fob by following these steps:
What To Do With A Dead Nissan Key Fob Battery
- Flip the key fob over and look until you find the release latch.
- Once found, youll need to push the release latch. From there, you have to pull out the emergency key, which is located at the bottom of the Nissan key fob.
- Unlock the doors to your and look for the key fob so that you can start the car
- If your car has the port, you will need to insert the key fob directly into the port and tap the brake while you press the Start and Stop button.
- If you notice that your car does not have a port, you will have to step on the brake or even the clutch while pressing the key against the START/STOP button.
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How Do I Pair My Nissan Key Fob
Programming Instructions for Nissan Key Fobs Take a seat in your Nissans drivers seat. Close the doors and secure them. Place the key in the ignition. Turn the key to the ACC position, then off and out of the ignition. In the ignition, insert the key. Select ACC from the keypad. Any button on the remote may be pressed and released.
How Long Do Nissan Key Fob Batteries Last

The average lifespan of a button cell battery is around two to three years. However, this can vary depending on the type of battery, how often you use your key fob and other factors.
If you find that youre having to change your key fobs batteries more often than every three years, there are a few things you can do to extend its life.
First, avoid exposing your key fob to high temperatures. This can shorten the batterys lifespan. If you live in a hot climate, keep your key fob out of direct sunlight as much as possible.
In cold weather, avoid leaving your key fob in the car where it can be exposed to the elements.
Another way to prolong the life of your key fobs battery is to avoid unnecessarily pressing the buttons. If you dont need to use your key fob, leave it in your purse or pocket. Pressing the buttons too often can drain the battery faster.
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Nissan Key Fob Battery Replacement: What To Watch Out For
Though the procedure is relatively simple. You should be careful of a few things when doing a Nissan key fob battery replacement:
- When opening the casing into two parts, dont use the grooves on the side of the casing as a point to lever your screwdriver. Older keys have these side grooves, but ignore those and focus on the slits at the top.
- When prying open the casing from the top, dont apply too much force in case you cause any damage to the casing edge or any parts of its innards.
- Dont put your key fob near anything magnetic while youre changing the battery. Magnets can cause damage to the internal workings of your Nissan key fob.
- When replacing the battery, ensure that you put the side with the writing on it Panasonic CR 2032 face down into the battery casing. If you put it in the wrong way, it wont work.
How Does Nissan Fob Reprogramming Work
You may get a no key detected message. However, you shouldnt panic just yet. For some Nissan vehicles, there is an easy fix pushing the fob against the start button. If not, search for the Intelligent Key port, beside the steering wheel, to the left.
Place the key fob into the slot. Then, try igniting your car. Doing this should start and reprogram the key to recognize your vehicle.
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How Long Does Nissan Key Fob Battery Last
The battery is a primary battery, not rechargeable. Stored under normal room temperatures, the battery has a shelf life of 10years, while being used in Nissan key fob, the battery can last from 3years and above.
The CR2032 battery has a wide operating temperature from -20°C to as high as +60°C. The battery usually weighs 3.0 grams.
How Long Do Key Fob Batteries Last
Because key fob batteries are only used passively to rarely open locks or make connections with your vehicle, they last a very long time. Estimates for batteries like the CR2032 are usually greater than 20,000 hours of use. To put that into perspective, that’s over two years of useful life.
Some similar batteries by Panasonic even have a 10-year shelf life to give you some idea of their longevity. Of course, shelf life means that the batteries are not used during the period of measurement.
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Do I Need To Reprogram The Key Fob After Changing The Battery
Typically, you do not need to reprogram the key fob after changing the battery. However, if youve replaced not just the batteries but also some of the internal wiring and electronics, you may need to reprogram it by pairing it with your vehicle once again.
The usual sequence for reprogramming your car battery is as follows:
- Put the key into the ignition
- Turn the key into the ON position and then turn it back to the LOCK position.
- Do this several times until you hear a chiming sound
- Press the lock and unlock position on your key fob to reprogram it. This should ensure the correct functions are saved and that the vehicle will respond the next time you use it.
Gently Pry At The Seam Or Notch
Alaina DiGiacomo/rd.com
When it comes to how to change the battery in your key fob, youll only need one tool. Using a small, thin flat-bladed screwdriver , pry apart the two halves gently to open the fob down the middle. Most cars with key fobs and transponder keys wont let you lock your keys inside the car, but you need to be prepared just in case the worst case happens. .
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What Is A Key Fob
A key fob sometimes called a remote keyless system is a handheld device that allows you to lock and unlock your vehicle remotely. It consists of a remote control and RFID antenna that is connected to your cars locking system. Some key fobs have a retractable physical key with which you can lock/unlock your car manually as well.
Nissan Intelligent Key Battery Replacement

Instruction on how to replace the battery on Nissans intelligent key. This remote is often used on Nissan Maxima, Rogue, Altima, and 350Z.
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How Much Does A Battery Cost For My Nissan Key Fob
You can find a replacement battery for your Nissan Kicks or Maxima at almost any store or online for $2 to $5. If you go to your dealership, expect to pay up to $10 for the same battery and a fee to have them switch it out for you.
Your Nissan Owners Manual does not specify a preferred manufacturer for this battery. Familiar name brands like Panasonic, Energizer, and Duracell tend to offer better performance, but even a generic brand will work. It is the size that matters.
How Do I Replace My Nissan Key Fob Battery
The process of changing your battery may be unique to other vehicles from the same manufacturer, so you’ll want to refer to your owner’s manual before removing your current battery. You also want to take note of what specific battery type and size you need to have on hand before replacing your key fob battery.
Release the mechanical key inside of your fob using the release latch on the fob.
A small, flathead screwdriver will help remove the cover to the battery compartment. Before you remove the battery, take note of which direction the positive and negative sides are in.
Replace the old battery with a brand new battery. Pay close attention to ensure that you’ve put the correct side of the battery in first.
Regardless of what model you’re replacing the battery for, you can generally use these instructions as a guide for the process. If you’re having trouble or are confused with the process, feel free to contact ABC Nissan for more information. You can also bring your Nissan key fob into our service department for assistance.
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Nissan Key Fob Remote Battery Replacement
Learn how to change the Nissan key fob battery on various key fobs used on Nissan vehicles. Below, you will find step-by-step instructions and videos showing how to install a new battery in a Nissan key fob.
These instructions apply to multiple Nissan vehicles, even those equipped with the intelligent key.
Are Nissan Key Fobs Covered Under Warranty
According to the Nissan 2020 Warranty information booklet, Nissan Intelligent Keys are covered for 12 months with the warranty. Note that this only applies to new Nissan vehicles bought from certified dealers.
There is an additional Security+Plus key replacement plan that is like a supplemental warranty specifically for Nissan’s Smart Keys. This plan offers coverage for Nissan’s fobs as well as other incidentals like battery-related roadside assistance.
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What You Need To Know About Your Key Fob Battery Replacement
If youre experiencing problems with your key fob battery, its important to know what to look out for.
How To Change Battery In Nissan Key Fob
Its all very advanced and technical , but like just about any other gadget out there, it has a limited battery lifespan. Its important then to know how to change the Nissan key fob battery. The first time you do it, it might feel a little tricky, but its actually much easier than it seems and youll undoubtedly get pretty deft at it over time.
Below are the main steps for Nissan key fob battery replacement:
Step 1: Release the mechanical key.
Turn the Nissan key fob over in your hand and look for the little release catch on the back. Pull that down and it will release the stored mechanical key from its position in the fob. You dont need this key as part of the battery replacement process, but it does need to be out of the way.
Step 2: Pry open the fob into two parts.
The top end of the key fob youll see two small slits. These are ideal to slot a small flat-head screwdriver into before turning it clockwise to safely and evenly open the casing. You should be able to then pull the fob into two halves.
Step 3: Remove the old battery.
The battery is a round Panasonic 3-volt CR 2032 battery. You will see its metal disc sitting in one half of the key fob. Use a small flat-head screwdriver to pop the battery out safely. There should be a small gap under the battery perfect for such a move.
Step 4: Install the new battery.
Step 5: Replace key fob housing.
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