Batteries For Key Fobs
Despite the fact that your key fob can last a long time, it does have a life expectancy and a users permission to use it. When the car is well-maintained and the key is kept, it will last 8 years, but do not assume that it will last longer if you have been dropping the key a bit more than usual.
Due to Dead battery:
Normally, you will find that your key fob is not working due to a dead battery or an insufficient amount of juice in it to power it. There is a widespread problem with this, and diagnosing it is not difficult. Whether your key fob responds to your commands or not depends on the state of the battery.
Fix by Replacing the battery:
Therefore, we recommend using the spare key to open the door. If that doesnt resolve the problem, replace the battery in the key fob. It should be possible to get such parts in any aftermarket auto parts store. There are few people who will even change your battery. Key fob works again after being damaged. It is possible to change the battery yourself if your local auto parts store does not change batteries. Consult your owners manual for help. It is very easy to find one online in case you dont already have them.
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.
Why Isnt Nissan Key Fob Not Working After Battery Changed
One of the conveniences I enjoy with the latest advancements is the key fob. But what if it stops working suddenly? It can happen sometimes, particularly after a battery change.
You cannot unlock the car, let alone start it. While I can still have my spare, the question is, why is my Nissan key fob not working?
Did you know that your key fob may not work after a battery change? The reason is that the electronic system in the key fob gets reset automatically when you change your battery.
While this doesnt happen every time, in rare occurrences, this can happen, and youd have you reprogram your battery.
Modern cars with the latest technologies are moving to keyless fobs from the key fobs. Hence, your key fobs must be in proper working condition.
With a Nissan fob, one of the most important reasons for failure is the batteries. So, when you change the battery, make sure that the key fob works or reprogram it with the help of technicians.
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What Size Battery Does A Nissan Key Fob Take
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Nowadays, all new Nissan vehicles come with a remote keyless system. You don’t need to physically use a key to start your engine or unlock your door with this system. Having a Smart Key as Nissan uses is nice, but what do you do if it runs out of battery power? With so many micro-battery sizes on the market, knowing which size to purchase for your Nissan intelligent key is challenging. Luckily, we’ve researched the batteries and replacement process to provide you with an answer here.
All Nissan Smart Keys use the same battery size: CR2032 3-Volt. To change the battery in your key fob, follow these steps:
That’s an overview of the battery size for Nissan Smart Keys and how to replace them. But, there is more that you need to know about this process. In the remainder of this post, we will discuss how to change the battery in more detail. Additionally, we’ll discuss how long the batteries should last, programming the Nissan key fob, and whether or not they qualify for a warranty.
Changing The Battery In Your Key Fob

Now that you’ve had a chance to go to the store to purchase a new battery, the procedure to replace it is simple.
- Remove the hidden key from its place in the key fob
- Remove the rear key housing and remember its position
- Remove the old battery and pop in the new battery
- Make sure the negative side faces you
- Clip the rear piece back on and insert the emergency key
Also Check: Car Battery Replacement At Home
How To Start A Nissan With Dead Key Fob
Well, sometimes the Nissan key fob battery replacement isnt possible right at the moment. So, you need to get inside the car with the dead key fob. The key fob has an alternative key inside the car. So, you dont need to panic whenever your key fobs battery dies. The backup key has you back. Follow the steps to use the alternative key:
- Flip the key fob and find out the small release button. Push the release button and pull out the emergency key hiding at the bottom of the fob.
- You will be able to unlock the drivers door with the emergency key.
- Once you get inside the car, look for a key fob port to start your Nissan.
- If your Nissan has the port, simply place the fob in the port and tap on the brake or clutch as you hit the START/STOP button.
- In case your car doesnt have the key fob port, tap on the brake or clutch as you press the key against the START/STOP button.
- The engine should start immediately. So, youve started the car with a dead key fob finally!!
How To Start Your Your Nissan With A Dead Key Fob
But what if you rely and keyless entry and your car wont start? Nissan models have other ways of being started:
- If your vehicle has a key fob port, you can put the key fob in the port and tap the brake pedal or clutch as you press the START/STOP button.
- If you find your Nissan car, truck, or SUV doesnt have a port, simply hold the key fob against the START/STOP button while stepping on the brake or clutch.
Even when your Nissan key fob is dead, you should be able to start the vehicle! But of course, youll want to change the key fob battery soon.
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Want It Done Professionally
Not really comfortable with doing this yourself? Thats totally fine! Our Service team at Palm Springs Nissan will be glad to help. Simply schedule an appointment and well get you in as soon as possible. And dont forget to check our service specials beforehand to make sure youre getting the lowest price possible.
Get Assistance From Jeffrey Nissan
Need more assistance with your Nissan key fob? Visit us at Jeffrey Nissan to learn more. We can help you replace the battery in your key fob, answer questions about our vehicles, help you compare Nissan models to find the right one for you, and more! Make the trip to Jeffrey Nissan in Roseville today or contact us in the meantime with any questions about Nissan key fobs.
What Battery Does A Nissan Key Fob Take
Most likely, your Nissan key fob takes a CR2025 battery. However, you should check your owners manual or reach out to our team to be sure! This way, youll know if you have the right battery for your Nissan model and not jump to conclusion that your fob is dead for good and you need to replace a Nissan Maxima key fob completely.
How To Start Nissan Without The Key Fob
Nissan understands the need for emergencies, especially when your key fob stops working unexpectedly and you need to gain access to your vehicle to sort out an important task.
Inside the key fob is a hidden/stored backup key, just like the regular metal key.
You can make use of this key to access your vehicle and to avoid being stranded until you get the bad battery replaced.
Lets look at the necessary steps you need to follow to start your vehicle.
Take out the backup key
We have discussed this process earlier. Reach out to the tiny release button at the back of the key fob and press it.
This releases the key, allowing you to pull it out easily. Once you have the key, use it to open the drivers door to gain access into the cabin.
Locate the key fob port
If your vehicle has the key fob port, insert the fob right into the port, gently press on the brake or the clutch, and click on the start/stop control button.
If you do not have the key fob port in your vehicle, carry out the same process. The only difference is that you will have to press the key fob against the start/stop control button this time.
Is There Any Other Way To Start The Car Before Replacing The Battery
If you dont have a new battery, you can still start your car until you get one. Luckily, theres an emergency key in your key fob that you can use.
After flipping the key fob, remove the slider to reveal the emergency key. Use this key to unlock the doors.
Depending on your cars model, it might have a port for the key fob. If it does, tap the brake and press the start button to start your car. If it doesnt have the port, step on the brake and do the same.
How To Change The Battery In A Nissan Key Fob

You’ve enjoyed your new Nissan and have figured out all of its great features. You love your Nissan Intelligent Key because of the ease of use it offers however, the time has come when your key fob suddenly stops working. You wonder if one of the kids dropped in a glass of water and didn’t tell you or threw it against the wall, and that caused it to break. Breathe a sigh of relief your key fob’s battery has most likely died and just needs to be replaced. A simple battery replacement will have you up and running in no time. In most cases at West End Nissan, we are more than happy to help you replace however, it is quite easy to do on your own as well. Continue reading to learn more.
What Kind Of Battery For Nissan Key Fob
If youre like most people, you probably dont think much about the battery in your key fob. But if youve ever had a key fob die on you, you know how frustrating it can be. So what kind of battery does your Nissan key fob use?
The Nissan key fob uses a CR2032 battery. This is a 3 volt coin cell battery that is readily available at most electronics stores. You can also find them online.
When replacing the battery in your key fob, its important to use the correct type. Using the wrong type of battery can damage your key fob and even void your warranty.
If youre not sure how to replace the battery in your key fob, consult your owners manual or contact a Nissan dealer. Theyll be able to help you out and make sure youre using the correct type of battery.
Easy Steps To Change Your Nissan Key Fob Battery
Nissan has used a similar fob for several years now, but that doesn’t make it any more obvious how to change the battery. Below is a quick 6-step guide for exactly how to change your Nissan key fob battery.
1 year ago
For several years now, Nissan drivers have used a very similar 4- or 5-button key fob called the Intelligent Key. There have been some subtle changes up to 2021, but the unit remains largely the same. Obviously, the key fob is very important to the everyday operation of the car. Without a working key fob, you might have trouble opening up or starting your car. You wont be able to lock it remotely, either.
In other words, its always a good idea to keep your key fob supplied with power. The good news on modern Nissan key fob battery units is that there is a flashing light on the casing. When the light stops flashing, it indicates that the battery needs changing. Its designed to act as a warning: if there isnt enough power to keep the light blinking, then there isnt enough power to communicate with your Nissan.
In todays blog, were looking at Nissan key fob battery replacement, how its done and how often you might have to do it. Well also include some additional tips about your key fob.
Process overview:
– Step 6: Replace the mechanical key
How Much Does It Cost To Replace A Nissan Key Fob Battery
Your budget or how much you may spend or invest in a new battery for your Nissan key fob depends on two factors.
These factors include the quality of the battery you choose to buy and the replacement process .
When you go on Amazon, you can get a solidly built and long-lasting battery at an affordable price, lets say between $5 and $10.
If you choose or decide to replace the damaged battery yourself, you wont have to spend much or break the bank.
However, if you are hiring an expert to replace the battery for you, especially in a situation where the batterys compartment is difficult to reach or access.
The entire process may cost as high as $100, depending on the shop you visit and your city/region.
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 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.
What Kind Of Battery Does A Nissan Altima Key Fob Use
This is a question that we get a lot here at the Nissan Altima key fob battery replacement center. To be honest, it is a bit of a trick question. The Nissan Altima key fob doesnt use a battery. It uses a capacitor.
A capacitor is a device that stores electrical energy in an electric field. It is similar to a battery in that it can store a charge and release it when needed. However, a capacitor can store and release energy much faster than a battery. This makes it ideal for use in devices that need to release a large amount of energy quickly, such as a key fob.
The downside of using a capacitor is that it can only store a limited amount of energy. This means that the key fob will eventually need to be recharged. The good news is that recharging a capacitor is much faster and easier than recharging a battery. All you need to do is place the key fob in the charger for a few minutes.
So, there you have it. The answer to the question, What kind of battery does a Nissan Altima key fob use? is that it uses a capacitor.
How To Change Nissan Key Fob Battery
At some point we find ourselves holding a Nissan key fob that is not responding at all. We need to know exactly how to change Nissan key fob battery and this is a skill that cannot be ignored.
You suspect the key fob battery is down and out and am sure you are wondering how to change Nissan key fob battery at this moment. Do not worry so much. The process is easy and fast.
One thing to note is that the Nissan key fob enables you to open the vehicle doors remotely without the need for the key.
However, the key may die abruptly leaving you stranded. You need not worry as the Nissan key fob has a spare key embedded in it just in case.
On the backside, there is a small latch that can be moved. When you move it, it will release the mechanism that is holding the spare key.
Just start the car, as usual, using the start key and if the starter is keyless, just step on the brake and press the key on the start button.