Nowadays, a remote keyless entry device is standard on all new Nissan vehicles. With this method, you can start your car’s engine and unlock your door without really using a key. It’s convenient to have a Smart Key as Nissan does, but what happens if the battery dies? It can be difficult to choose the micro-battery size to buy for your Nissan intelligent key because there are so many different sizes available. Fortunately, we’ve looked into batteries and the replacement procedure to give you an answer here.
The CR2032 3-Volt battery is the same size for all Nissan Smart Keys. Use these instructions to replace the battery in your key fob:
- Press the tiny button on the rear of the fob to remove the valet key.
- Gently pry open the fob with a screwdriver or card until it clicks and separates into two halves.
- Replace the battery after removing the old one.
- Replace the valet key and put the key fob back together.
Here is a summary of Nissan Smart Key battery sizes and how to change them. However, there is more to understand about this procedure. We will go into more depth on how to change the battery in the following sections of this essay. We’ll also go over programming the Nissan key fob, how long the batteries should last, and whether or not they’re covered by a warranty.
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In This Article...
Does my key fob require reprogramming after a battery change?
After changing the battery, you typically do not need to reconfigure the key fob. However, you might need to reprogramme it by pairing it with your vehicle once again if you replaced not only the batteries but also parts of the internal cabling and electronics.
How can I recharge the battery in my Nissan key?
A small luxury that may improve the entire car-owning experience is a key fob that works smoothly. Nissan key fobs, however, cannot be recharged. The battery needs to be changed instead.
Nissan key fobs typically use CR2025 button cell batteries, which are available for roughly $5 from retailers or dealers. To make sure you’re obtaining the correct model, check your owner’s handbook before you purchase a new battery.
The instructions for replacing the battery are as follows after you have the appropriate replacement:
- Take the extra metal key out of your fob. On the back of your key is a little slider that can be used to release this.
- Put a flathead screwdriver where the key was and twist to gently pop open the plastic shell.
- Pull the dead battery from its container using the screwdriver.
- Place a brand-new battery in it, negative side up.
- Change the housing and backup key.
You’ve now successfully changed the key fob’s battery! Contact your local Nissan dealer and ask them to reset your key if you’re still having issues.
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How much does a Nissan key fob battery change cost?
Although replacing the key fob battery on your Nissan model is a simple procedure, it does require handling delicate and sensitive electronics. Make sure to use gloves to prevent harm to the key fob (latex or non-latex substitute). The CR2032 3V battery is used in the Nissan key fob. Typically, a multipack of them costs less than $5 USD. A tiny flathead screwdriver is also required.
- Nissan key fob flipped over to the rear
- Delete the emergency key
- Find the open slot between the front and rear portions of the key fob on its top.
- Slide the little lever to release the emergency key.
When your Nissan key fob dies, how can you start it?
This is how: Depress the little release button after turning the Nissan key fob around. From the key fob’s base, remove the concealed emergency key. To enter your Nissan, put the emergency key in the driver’s side door and open it.
How long does the battery in a key fob last?
The battery in your car’s fob or remote will eventually need to be replaced, just like any other battery. A car fob battery should typically last three to four years. In addition, there are several indicators that will let you know when your fob battery is running low.
Signal strength loss is the initial symptom. The majority of contemporary fobs can communicate with your car up to 50 feet away. But as your battery ages, the signal’s intensity and range will decline. Another indication that your key fob battery needs to be changed is that you are having to push buttons to lock and unlock doors repeatedly.
Why won’t my Nissan key fob operate?
You should change the battery in your Nissan smart key to avoid having to repeat these steps. How to do it:
- Take out the secret key you inserted to open your Nissan.
- Making note of the location, remove the key housing and then remove the outdated battery.
- Make sure the CR2025 battery’s negative side is pointing up and in your direction when you swap it out with a fresh one.
- Reassemble the key fob and check its functionality after.
DIY Key Fob Programming
You might be able to program a replacement yourself, depending on the make and type of your vehicle.
The steps for programming a key fob yourself can differ: Owner’s manuals from certain automakers include instructions. In many circumstances, information can be available online. The problem is that in order to complete the process quickly or at all, you might require two functional key fobs.
Therefore, it is wise to acquire and set up an extra remote before you require it. Additionally, it’s a wise move because most used-vehicle buyers, particularly auto dealers, would pay extra for a car that has at least two functional sets of keys or key fobs. Therefore, having a spare key will not only be useful when you need it, but it will also benefit you in the long run.
After-Market Key Fobs
You may be able to buy an after-market key fob via a locksmith or online if your automobile is more than five years old. These sorts of fobs range in quality, but they are less expensive than other options.
Locksmith
If you have the option of receiving your replacement key from a locksmith or the dealership, the latter may be less expensive. Before making a choice, be sure to inquire about prices with your nearby vehicle dealership.
What occurs when the battery in your key fob runs low?
The transmitter’s range decreases as the fob battery gets weaker. This implies that for the key fob to operate, you must be close to the vehicle. If the smart key fob battery is low, a vehicle that has a push-button start may not always detect a smart key fob that is in your pocket or handbag.
Can AutoZone repair key fobs?
AutoZone does offer key duplication services for cars made by Toyota, Ford, Honda, Dodge, GMC, Mercedes, Kia, and other manufacturers. These services include key duplication, transponder keys, key fobs, and vehicle key blanks.
Who will replace the battery in a key fob?
Replacement Battery for Key Fob Since it just takes a few seconds, battery specialist shops and dealers frequently change the battery without charge. If you’re handy, you can save time by purchasing the batteries yourself from a hardware store, big-box retailer, or online.
Can a key fob be programmed without visiting the dealership?
The programming process is detailed in the owner’s manual for the vehicle, but the vehicle must be present, he added. Be advised that most customer-programmable key fobs, regardless of brand, require two active, functional keys in order to program a third new key without visiting the dealer, according to Yu.
What occurs if the battery in a Nissan key dies?
The good news is that you can still unlock your Nissan with the provided key even if your key fob breaks. You can start by flipping to the back of the key fob to get at the key. All that’s left to do is move the tiny release latch. The emergency key that is concealed in the bottom will be unlocked as a result.
Why doesn’t my automobile recognize my key fob?
The most frequent cause of a keyless entry system failing to send signals is a faulty battery in the key fob. Use the extra key fob to unlock the car and turn on the ignition if one is available.
Use the key that is included in the spare fob if it is not available to unlock the door. Check your owner’s manual for information on how to start your automobile when the key fob malfunctions.
If the battery in my key dies, would my car stop?
This issue has been foreseen by automakers ever since the key fob was created. Nothing will happen if your key fob dies while you’re driving. Simply because the key fob is a locking and starting device only, the automobile will continue to run. The key fob has no influence over the ignition or engine once the automobile is moving.
Even though you’ll need to go to a general store or pharmacy to get the battery, replacing the battery in your key fob simply takes a few minutes if you’re pressed for time.
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Signs your key fob needs a battery replacement.
When the battery in the fob gets weaker, the transmitter’s range decreases. Your range is deteriorating if you find that you need to be much closer to your automobile than usual. This serves as a reminder to replace your battery. Other signs comprise:
- If you have to click the button several times before your car responds
- If your key doesn’t signal at all
- If your key remote behaves erratically or inconsistently
Can my key fob drain the battery in my car?
We frequently receive inquiries like these at the shop. Yes, it is the correct response. Your key fob can eventually deplete your battery if you keep it in your car when it is not in use. Even when not in use, the key fob continuously transmits a signal to the vehicle, which consumes a tiny amount of electricity. So, if you keep your key fob in your car for a long time, the battery will ultimately die. If you find yourself in this predicament, you might try using a jumper wire or a portable battery pack to jump start your automobile.
Additionally, it may not be a good idea to leave your key fob in your car overnight or even just hanging nearby. The key fob may speak with your automobile if it is too close, which could drain the battery.