Nissan Key Fob Battery Replacement – [How to Change It?]
Is the key fob of your Nissan acting strangely? Do you know how to replace its battery if it is getting low? In this article, I’ll discuss Nissan Key Fob Battery Replacement – how to change it?
Pop open the back of the key fob housing with the tip of a small flathead screwdriver. Remove the battery from its slot inside the key. Take note of the battery’s position with respect to its positive side or mark. Put the new battery inside the slot in the same position. Align the two halves of the battery housing and snap them back into position.
It is relatively simple to replace an old key fob battery with a fresh one. But it would be best if you remembered that when replacing the old battery, it is essential that you put the fresh one in the same position. That means you will place the new battery in the same way you found the old battery. And the battery should be of the same grade and size.
Read on to learn more about changing the battery on a Nissan key fob and the things you need to observe when replacing an old key fob battery.
Nissan Key Fob Battery Replacement
Get a small flathead screwdriver and insert it in the small opening at the back cover of the key fob. Once the key is exposed in its slot, you can remove it using the screwdriver. Remember the position of the battery.
Now put the fresh battery in the slot of the old one. Put back the other half of the battery housing and snap the two halves together. See that both halves are securely in their proper places. Typically, the correct position of the battery is that its positive side is facing you.
You can do this by yourself. But you must use the same type of battery and the same size. How much does a Nissan key fob battery replacement cost?
A typical Nissan key fob uses a CR2023 3V battery. You can buy these batteries in multipacks. A set of four will cost less than $5:
The average life of a key fob battery is from three to four years. Most key fobs can send signals 50 feet away. One of the signs of an aging battery is its strength will be reduced.
The good thing is that even if the battery in the key fob dies, you still have a physical key inside your Nissan. Use it to unlock the door and start the engine.
This key can be found at the back of the key fob. push a small lever or button on the cover, and the key will be unlocked in its hiding place.
How to Change a Nissan Key Fob Battery
To properly replace the battery of your Nissan key fob, you need to know the correct procedure. There is a short explanation of the process and a more detailed discussion of how it should be done. Let’s start with the abbreviated steps on how you can do it:
Refer to your Nissan’s owner manual for the correct battery size and buy it from a battery dealer.
Remove the key that is hidden at the back of the key fob.
Get a small flathead screwdriver. Use its tip to pry the housing of the key fob.
Remove the old battery from the Nissan Intelligent Key. Take note of the battery position.
Put the new battery in the same position and manner you found the old one.
Align the front and back cover of the housing, then snap them into place.
Test the new battery to see if it works as it should.
Go for a drive to see that the key fob is working as before.
How to Open a Nissan Key Fob
A Nissan key fob has delicate parts inside and outside. So it would be best if you were careful in opening it. You should know how to change a Nissan key fob battery. But before that, you should first learn how to open the key fob safely. Here’s how you can do this.
A typical Nissan key fob has a physical key inside that. You must remove it and get it out of the way.
There is also a little catch at the back of the fob. You can release the physical key by pulling this catch.
Now you will see two small slits at the top of the key fob housing. You should be ready with a small flathead screwdriver. Insert this into the slots and then work it around gently around the two halves of the fob housing.
Twist the screwdriver so the two halves of the fob housing will detach from each other.
You now have safely opened the key fob.
How to Replace a Key Fob Battery in Detail
There are details in the above-abbreviated procedure that are left out. It will be tricky the first time you will try to do it.
If you want to know how the battery in a Nissan key fob is changed correctly, here is a more detailed procedure of the steps you need to take:
1. Release the Physical Key
There is a mechanical key in a typical Nissan key fob. You should first release this physical key. To do this, pull the small catch on the back of the fob. The mechanical key will be released. You need it to be out of the way, but you don’t need it in the replacement process.
2. Pry Open the Key Fob
You will find two small slits at the top end of the key fob. They are there purposely to be used when changing the battery inside. Use the small flathead screwdriver and insert its tip on the slits. Then twist the screwdriver clockwise slowly, and the key fob housing will open up.
3. Remove the Old Battery
Inside, you will find a 3-volt CR 2032 flat and round battery of a particular brand. Typically, it will be a Panasonic battery. The other half of its metal disc is exposed. Again, use the small flathead screwdriver to pry it away from its slot. Take advantage of the small gap in the slot.
4. Put the Fresh Battery
Get the new CR-2032 battery and put it in the place of the spent-up battery. See that the markings on the battery are facing downwards and not at you. To do this safely, slide the battery from the side to the spring visible inside the housing.
Push the new battery toward this spring. Be sure to hear a click as you finish putting the battery in its place.
5. Put the Casing Back Together
Now, put the two halves of the key fob housing back in their places. First, line up the two halves and then snap them into place. You should hear a click as you finish this. That shows that the two halves are secure in their respective places.
6. Put the Mechanical Key Back in Its Slot
Your last step is to put the mechanical key back in its original place. Now you can check if the new battery is working.
7. Go for a Test Drive
You should let it through the paces to ensure the battery works fine. You need to check every key fob button to see if they are working.
Again, can you replace the Nissan key fob battery by yourself? You can replace your Nissan key fob’s battery using a flathead screwdriver to open its housing. Replace the old battery with a new one. Note the old battery’s orientation and place the new one similarly.
How to Start Your Nissan with a Dead Fob Battery
What if the key fob of your Nissan is already dead? Can you still run and drive it? Yes, you still can. But first, you need to enter your Nissan. Thankfully, your Nissan has a physical key, a backup key. It is inside the key fob itself.
Here’s how you can get inside your Nissan to check if your Nissan key fob is not working.
Flip your Nissan key fob over and find the release latch. It is a small part of the key fob somewhere near its bottom part.
Press on this latch, and then pull out the backup key.
Insert this key into the driver’s door lock and unlock the door.
Look for the key fob port so you can start your Nissan.
If your Nissan has a key fob port, place the key fob into the port, and tap on your clutch or brake while pressing the START/STOP push button.
If your Nissan does not have a fob port, gently step on the clutch or brake as you press the key against the START/STOP push button.
Now you know that you can also start the engine of your Nissan even if the batter inside its key fob is already dead. If you know this procedure, you don’t need to worry about being stranded if the battery in your Nissan key fob does not cooperate.
What Batteries Can You Use in Nissan Key Fobs
Naturally, you would like to know the specific battery or batteries you can use for your Nissan key fob. Most likely, it is made to run with a CR2025 flat and rounded battery:
To be sure, you must consult your Nissan’s owner’s manual. It will tell you the exact type, model number, and battery size your specific key fob requires.
Safety Tips in Nissan Key Fob Battery Replacement
You also need to observe certain safety precautions when changing the key fob battery of your Nissan. Here are some suggestions:
1. Open the Key Fob’s Housing
Don’t use the grooves you will see on the housing side. Older Nissan key fobs still have these grooves. It is easier and safer to use the two slits.
2. Don’t Let Your Key Fob Near Anything Magnetic While Charging the Car Battery
The magnet can damage the inner circuitry of the Nissan key fob.
3. Apply Gentle Force
When opening the key fob housing from the top, apply only a gentle force. This will help you avoid damaging its interior parts or the edges of the casing.
4. Ensure That the Side with the Name CR2032 or CR2025 Is Face Down
When putting in the new battery, ensure that the side with the name CR2032 or CR2025 faces down onto its slot. Putting it in the wrong way will cause the battery not to work.
Signs of a Defective Key Fob Battery
Some signs of a defective key fob battery include the following:
The key fob will become less responsive as time goes on.
If you have a START/STOP push button, Nissan may not even recognize the key fob when the battery is getting weak.
The key fob may increasingly start losing its range. You may have to get closer to your Nissan before it responds.
Difficulty locking or unlocking your Nissan.
Frequently Asked Questions
If you have many questions in your mind about our topic today, and you want them answered, perhaps the answers listed below will help you get the information that you need:
Is It Hard to Replace the Battery in a Nissan Key Fob?
No, it is not that hard. But you have to be careful, and you have to know what you are doing. Remember to put the new battery in the same position. The battery should also be of the same grade and size as the old one.
How to Change the Battery in a Nissan Altima Key Fob?
The steps you need to follow to replace the key fob of a Nissan Altima are the following:
Get a small flat screwdriver.
Flip the key fob on its back.
Press a button to remove the physical key from the key fob.
Insert the screwdriver into the small slots on the spot where you have removed the physical key, then twist it so the cover will pop out from its base.
With an opening on the cover, insert the tip of the screwdriver and slowly work it all around the rest of the cover until it is all open. The two battery halves will come apart and the old battery will be exposed.
Replace the old battery with a new one.
Place the two halves back in their original places and clip them tightly with each other.
You have changed the battery of the key fob.
How to Change the Battery in a Nissan Rogue Key Fob?
Here is a shorter explanation of the above-mentioned Nissan key fob replacement procedure, now doing it with a Nissan Rogue key fob.
Remove the physical key hidden inside the key fob of the Nissan Rogue.
Pry opens the key fob housing by opening the two halves of the housing.
Remove the old battery from its socket and replace it with a new CR2025 battery putting its negative side facing up.
Reassemble that key fob and its housing.
Check and test if the battery is working.
How to Change the Battery in a Nissan Sentra Key Fob?
If you want to change an old key fob battery of a Nissan Sentra, you will practically follow the same procedure as the one for Nissan Altima, and Nissan Rogue. To wit:
Remove the physical key hidden inside the key fob of the Nissan Rogue.
Pry open the key fob housing by opening the two halves of the housing.
Remove the old battery from its socket and replace it with a new CR2025 battery putting its negative side facing up.
Reassemble that key fob and its housing.
Check and test if the battery is working.
How to Change the Battery in a Nissan Versa Key Fob?
It’s the same procedure that you need to follow when changing the battery of a Nissan Versa. It will also go like this:
Remove the physical key hidden inside the key fob of the Nissan Rogue.
Open the key fob housing by decoupling the two halves of the housing.
Remove the old battery from its slot and change it with a new CR2025 or CR2032 (whichever is proper) battery putting its negative side facing up.
Reassemble that key fob and its housing.
Check and test if the battery is working.
How to Change the Battery in a Nissan Murano Key Fob?
The same general procedure is followed if you want to change a bad battery of a Nissan Murano.
Remove the physical key hidden inside the key fob of the Nissan Rogue.
Open the key fob housing by detaching the two halves of the housing.
Remove the old battery from its socket and replace it with a new CR2025 or CR2032 battery putting its negative side facing up.
Reassemble that key fob and its housing.
Check and test if the battery is working.
How to Change the Battery in a Nissan Qashqai Key Fob?
You also need to follow the same general procedure when replacing the key fob battery of a Nissan Qashqai. It goes like this:
Remove the physical key hidden inside the key fob of the Nissan Rogue.
Open the key fob housing by opening the two halves of the housing.
poryRemove the old battery from its socket and replace it with a new CR2025 or CR2032 battery putting its negative side facing up.
Reassemble that key fob and its housing.
Check and test if the battery is working.
In Closing: How to Change a Nissan Key Fob Battery
Insert the tip of a small flathead screwdriver into the key fob’s opening and pop it open. Remove the battery from its slot inside the key. Remember the position of the battery with regard to its positive side or mark.
Put the fresh battery inside the slot in the same position. Align the two halves of the battery housing. Then snap them back into place.
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