Replace Nissan Key Fob Batteries

If your Nissan keyfob isn't responding to your commands, the battery might be dead. This is a simple repair that most people can handle themselves.

To replace the battery, you can buy the new one from a hardware shop or consult the owner's guide for the model you have.

Changing the Battery

The key fob on your Nissan model is equipped with a built-in battery that will eventually lose its charge. The key fob's battery can be replaced in just a few minutes. First, you'll need to purchase a replacement CR2032 3V battery. It's a tiny coin-cell battery that is used in most key fobs. You can purchase it in most convenience stores. To open the key fob, you'll also need an appropriate pair (latex or not) of gloves, as well as a small flathead screwscrew. Before beginning, be certain to read the owner's manual for specific instructions and steps.

Once you have the new battery, remove the old one by turning the fob over and looking at the back side. You will see a small catch that must be released by pulling it down. This will release the mechanical key from its initial position inside the fob.

Place the battery in place and ensure that it is properly positioned. Close the fob when the battery is installed and then click the two sides of the fob together. After completing this last step verify your key fob by pressing the unlock button and seeing what happens. You can now use the many functions of your Nissan If everything is working well. It's recommended to re-program your key fob following the change of the battery to ensure that it's operating properly.

Replacing the Transmitter

With your key fob acting as the "key" to so many of your car's most important functions, it could be a serious blow when you lose or damage it. A damaged or dead key fob will stop you from locking or starting your car.

It's a good idea keep a spare key fob on to hand in the event of an emergency. Luckily, the procedure for replacing your Nissan key fob is fairly easy. You'll need a new battery and a small flathead screwdriver for removing the old one The replacement process is a breeze and should only take about a couple of minutes.

You'll need a round Panasonic CR 2032 3V battery (you will typically 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 break the two halves. Make use of a flathead screwdriver as well as smaller flatheads to unbolt the clip on top of the battery. Make sure to note its location. Replace the battery, and assemble the key fob. Make sure to test it to verify it is working.

Nissan Intelligent Keys will eventually get worn out and need to be changed just like every other electronic device. Make sure your key fob is protected from magnetic fields, water and physical impacts. Don't drop it, or put too much pressure on the device.

Replace the Key

If your nissan key replacement key fob is dead, you can't use it to unlock or start your car. This is a problem for people who need to go to work in Detroit or go on errands around Dearborn.

The good news is that the battery inside your Nissan smart key isn't difficult to replace. You can replace the battery at home or at the dealership. A pack usually costs $5 or less.

Flip the fob upside down and press the small catch in the back. This will release the emergency mechanical key that is inside. The emergency key won't allow you to start your car however, it will allow you to open the door.

Then take a look for a small gap on the top of the casing for the key fob. You can make use of a screwdriver to pull apart the two pieces of the key fob. Once you've reached the internal battery, you can remove it and note its position. When you are ready to put back together your key fobs, insert the new battery and then snap the two pieces of the case back together. Insert the mechanical key and your Nissan smartkey will function just as normal.

Other Problems

Many modern cars come with key fobs, which let you to lock them or start them without a physical key. Key fobs use a transmitter to connect to the computer system in the car.

If your Nissan key fob isn't working after changing the battery, there could be several reasons for this. For instance, the new battery might not be properly seated inside the key fob. A reset of the key fob is also a possibility. This is a simple procedure that you can do at home using a few simple tools.

For example, you'll need a screwdriver, and preferably with a flat head to remove the key fob and then remove the old battery. After that, using a screwdriver, pry the back of the keyfob open and insert the new batteries. Then, you'll need reset the key fob so that it works with your vehicle.

You can easily program your Nissan key fob on your own, as they are all user-programmable. This is usually done by inserting your keyfob into the ignition twice in five seconds. If this fails, you can usually take the key fob to a dealer or auto locksmith to get it programmed. The cost will vary depending on the person you speak to and the kind of vehicle you own.