Replace Nissan Key Fob Batteries
If your Nissan key fob isn't responding to instructions, it's most likely that its battery is dead. Fortunately, this is an easy fix that most people are able to do themselves.
You can find an upgrade from a hardware store, or in your owner's manual that is specific to the model you own, and you'll need to follow these steps to replace the battery.
The Battery is changed
The key fob of your Nissan model has a built-in battery that will eventually lose its charge. The battery in the key fob can be replaced in a matter of minutes. You'll first need to purchase the CR2032 batteries. This is a small coin cell battery that is typically used in key fobs and can be found at all convenience stores. You'll also require a pair of gloves (latex or non-latex) and a small screwdriver with a flat head to open the fob. Refer to the owner's guide for detailed instructions and steps before starting.
After you have the new battery, take off the old one by turning the fob on its side and looking at the backside. There will be a small latch that you have to unlatch by pulling it down. This will open the mechanical key from its original position inside the fob.
Insert the new battery next and ensure that it is properly aligned. Once the battery is placed close the fob and then click the two sides together. Check the fob's functionality after you have completed this step by pressing the unlocking button. If everything is in good in good order, you're now able to enjoy your Nissan's various features. After changing the battery, it's a good idea to reset your key fob to ensure that it's functioning properly.
Replace the Transmitter
Your key fob is the "key" to the majority of your vehicle's vital functions. It can be a major loss should it become damaged or lost. And with a dead or damaged key fob, you'll be left without the ability to lock and start your car.
It's smart to keep a spare keyfob in reserve in case of emergency. Luckily, the process of replacing your Nissan key fob is fairly simple. The procedure for replacing your Nissan key fob is quite simple. You will need an entirely new flathead screwdriver and a new battery to take out the old.

You'll need a round Panasonic CR 2032 3V battery (you will typically find them in multipacks, for less than $5 USD). The battery will be located in the back half, and you'll need to gently pull the two halves to expose the battery. Make use of a small flathead screwdriver to pull the clip that is located at the top of the battery and take it off, taking note of its position. Replace the battery and put the key fob back together. You can test it to confirm that it works as intended.
Nissan Intelligent Keys will eventually get worn out and require to be changed just like every other electronic device. To avoid this, it's a good idea to shield your key fob from water, magnetic fields and physical impacts, so be sure not to drop it or put too much pressure on it.
Replacing the Key
If your Nissan key fob is not working the fob isn't able to unlock or start your vehicle. This is a problem for people who have to go to work in Detroit or to run errands in Dearborn.
The good news is, the battery inside your Nissan smart key isn't too difficult to replace. You can replace the battery at home, or at the dealership. A pack usually costs less than $5.
Start by flipping over the fob and pressing a small catch on the back. This will trigger the emergency key that is mechanical. The emergency key won't allow you to start your car however, it will allow you to open the door.
Look for a small opening at the top of the casing. nissan duplicate car keys are ideal to place an screwdriver through it, allowing you to break the two pieces of the key fob apart. Once you have access to the battery inside, take it out and note of its position. When you're ready to put back together the key fobs, slide the new battery into its place and secure the two components of the case together. Insert the mechanical key and your Nissan smartkey will work as usual.
Other Issues
A lot of modern cars have key fobs that let you to lock them and then start them without the need for a physical key. To do this the key fob utilizes an electronic transmitter to connect with the car's computer system.
If your Nissan key fob stops working after you have changed the battery There could be several reasons for this. One reason is that the new battery may not be seated properly in the key fob. Resetting the key fob is a different possibility. This is a straightforward process that you can complete at home with just a few simple tools.
You'll need, for example an screwdriver with flat-headed tips to remove the old battery from the key fob. Then, you can use a screwdriver to pry open the back of the key fob to insert the new battery. You'll also need to reprogramme your key fob to make it compatible with your vehicle.
You can easily program your Nissan key fob yourself because they all have the ability to be programmed by you. This is usually done by inserting the keyfob in the ignition twice in five seconds. If this does not work, take your key fob into a dealer or auto locksmith to get it programmed. The cost will vary depending on the person you speak to and the type of vehicle you own.