Replace Nissan Key Fob Batteries

If your nissan car key replacement keyfob doesn't respond your commands, the battery may be dead. It's a relatively easy repair that most people can fix themselves.

You can get an upgrade from a hardware store or from your owner's manual that is specific to the model you own and you'll need to follow these instructions to change the battery.

Change the battery

The key fob on your Nissan model has a built-in battery that eventually loses its charge. The key fob's battery can be replaced in a matter of minutes. First, you'll need to purchase the CR2032 batteries. It is a small coin-cell battery that is used in most key fobs. You can buy it at a variety of convenience stores. You will also need gloves (latex or non-latex) and small screwdrivers with flat heads to open the fob. Before beginning, be sure to consult your owner's manual for specific steps and instructions.

After you have the new battery, remove 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 release the mechanical key from its initial position inside the fob.

Then, you can insert the new battery, and make sure that it is in the correct orientation. Close the fob once the battery is installed and then click the two sides of the fob together. Check the fob's functionality after completing this step, by pressing the unlocking button. If everything is in good condition, you're able to enjoy the Nissan's features. It's recommended to re-program the key fob after changing the battery to make sure it's functioning correctly.

Replacing the Transmitter

With your key fob serving as the "key" to so many of your car's key functions, it can be a serious blow should you lose or break it. If you lose or damaged key fob, you'll end up without the ability to lock and start your vehicle.

It's a good idea keep a spare keyfob in to hand in the event of an emergency. The procedure for replacing your Nissan keyfob is relatively simple. The procedure for replacing the Nissan key fob is simple. You'll need an entirely new flathead screwdriver and an entirely new battery to replace the old.

You'll also need a Panasonic CR2032 3V round battery (you can purchase them in multipacks priced under $5 USD). The battery will be located inside the key fob's back half and you'll have to gently pull the two halves of the key fob to expose it. Make use of a flathead screwdriver or a small flathead to take off the clip that is on top of the battery. Make sure to note its location. Replace the battery, and assemble the key fob. Check it out to confirm it is working.

As with any electronic device, your Nissan Intelligent Key will eventually wear out from regular use and need to be replaced. Guard your key fob from magnetic fields, water and physical impacts. Don't drop it, or apply too much pressure to the device.

Replacing the Key

If your Nissan key fob is not working, you can't use it to unlock or start your vehicle. This is a problem for people who have to travel to work in Detroit or go on errands around Dearborn.

The good news is that the battery inside your Nissan smart key isn't a problem to replace. You can replace the battery at home or in the dealership. The cost of a replacement pack is usually less than $5.

Start by flipping the fob upside down and pushing a small catch on the back. This will open the emergency mechanical key that is inside. While you won't have the ability to use the emergency key to start your vehicle however, it will allow you to open the door.

Find a small cut on the top of the casing. You can use a screwdriver for prying apart the two pieces of the key fob. Once you've gained access to the internal battery, pull it out and keep track of its location. When you are ready to assemble your key fobs, insert the new battery and snap the two parts of the case back together. Then put in the mechanical key and your Nissan smart key will be able to function as normal.

Other Issues

Many modern cars are equipped with key fobs that permit you to lock and open them without the need for keys for your car. The key fob works as a transmitter to connect to the computer system of the car.

There are several possible reasons for why your Nissan key fob won't function after replacing the battery. One reason is that the new battery may not be seated properly inside the key fob. Another possibility is that the key fob has to be reset. This is an easy process that can be completed at home using just a few simple tools.

For instance, you'll need a screwdriver, and preferably a flat head to unlock the key fob, and then remove the old battery. Then, using a screwdriver, break the back of the keyfob and insert the new batteries. Finally, you'll need to modify the key fob's programming so that it is compatible with your vehicle.

You can easily program your Nissan key fob yourself, as they are all user-programmable. It is typically done by inserting the fob into the ignition twice in five seconds. If this fails then you should bring your key fob to a dealer or auto locksmith to get it programmed. The cost of this will vary depending on who you speak with and what kind of car you have.