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A Step-By Step Guide For Choosing Your Replacement Key For Nissan Micra
Replace Nissan Key Fob Batteries

If your Nissan keyfob does not respond to your commands, its battery might be dead. It's an easy fix that most people are able to do themselves.

To change the battery, you can either purchase the new battery from a hardware shop or consult the owner's guide for the model you own.

Change the battery

The key fob that you have in your Nissan model is equipped with a built-in battery that could eventually lose its charge. The key fob battery can be changed in a matter of minutes. First, you'll need to purchase the CR2032 battery. This is a small coin cell battery commonly used in key fobs and is available in most convenience stores. You will also need a pair of gloves (latex or non-latex) and small screwdrivers with flat heads to open the fob. Before beginning, be sure to check the owner's manual for specific steps and instructions.

Flip the fob upside down and look at the backside. You will see a tiny latch that you must open by pulling down. This will open the mechanical key from its original position inside the fob.

Place the battery in place and make sure it is properly aligned. Close the fob when the battery has been placed and then click the two sides of the fob together. After you've completed this last step check your key fob by pressing the unlock button, and then seeing what happens. It's now possible to use the various features of your Nissan if everything is working correctly. After changing the battery, it's recommended to re-program your key fob to ensure that it works properly.

Replace the Transmitter

With your key fob acting as the "key" to many of your car's key functions, it can be a huge loss when you lose or damage it. A damaged or malfunctioning key fob could prevent you from locking or starting your car.

It's smart to keep a spare keyfob in for in the event of an emergency. The procedure for replacing your Nissan keyfob is quite simple. You'll need a new battery and a small screwdriver to remove the old one However, the process of replacing it is simple and should only take just a few minutes.

You'll require an oval Panasonic CR 2032 3V battery (you are likely to find them in multipacks for less than $5 USD). The battery is inside the back part of the key fob. You'll require a small screwdriver with a flat head to gently separate the two halves. Make nissan qashqai key fob of a flathead screwdriver or smaller flatheads to unbolt the clip that is on the top of the battery. Make sure you note the place of placement. Replace the battery, then assemble the key fob. Test it to ensure it works.

Nissan Intelligent Keys eventually wear out and require to be replaced just like any other electronic device. To prevent this issue, it's a good idea to shield your key fob from water, magnetic fields as well as physical impacts Be careful not to drop it or place too much pressure on it.

Replace the Key

If your Nissan key fob goes out in the middle, you won't be able to use it to unlock your vehicle or to start it. This is a problem for those who have to travel to work in Detroit, run errands near Dearborn or spend an evening on the town near Troy.

The good news is, the battery in 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.

Begin by flipping over the fob and then pushing a small catch on the back. This will release the emergency mechanical keys inside. The emergency key will not allow you to start your vehicle but it will unlock the door.

Find a small slit on the top of the casing. You can make use of a screwdriver to pull off the two pieces of the key fob. Once you've got access to the battery inside, take it out and make note of its location. When you're ready to reassemble the key fob, slide the new battery back into its place and then snap the two pieces of the case. Insert the mechanical key and your Nissan smartkey will function just as normal.

Other Issues

Many modern cars are fitted with key fobs that permit you to lock and unlock them without requiring the physical car key. The key fob works as the transmitter to communicate with the computer system of the car.


If your Nissan key fob stops working after changing the battery, there could be a number of reasons why. One possibility is that the new battery wasn't properly placed into the key fob. A reset of the key fob is another possibility. This is an easy process that you can do at home using a few tools.

You'll need, for example a screwdriver that has a flat-headed tip to take out the battery that was in the key fob. Then, you'll need the screwdriver to break open the back of the key fob to insert the new battery. In the end, you'll have to change the programming of the key fob to ensure that it works with your vehicle.

Fortunately, most Nissan key fobs are user-programmable which means you can do it yourself. You can usually do this by inserting the key fob in the ignition twice within five seconds. If this fails, you can take the key fob to a dealer or auto locksmith to get it programmed. The cost for this will depend on the person you speak with and what kind of car you own.