Replace Nissan Key Fob Batteries

If your Nissan keyfob doesn't respond your commands, the battery might be dead. This is a simple repair that most people can do themselves.

To change the battery, you can purchase the new one from a hardware store or consult the owner's manual for the model you own.

Removing the Battery

The key fob of your Nissan model has a built in battery that will eventually lose its charge. Fortunately, replacing the battery in the key fob is an easy process that only takes some minutes to complete. You'll first need the CR2032 battery. It's a tiny coin cell battery often used in key fobs, and is available in a variety of 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. Read the owner's manual for specific instructions and steps before starting.

Turn the fob upside down and look at the backside. You will notice a small latch that you must open by pulling down. This will release the mechanical key from its original position inside the fob.

Then, insert the brand new battery, and make sure that it's positioned correctly. Close the fob once the battery is in place and press the two sides of the fob together. Test your key fob after you've completed this step by pressing the unlocking button. If everything is in working in good order, you're now able to enjoy your Nissan's many features. After replacing the battery, it's a good idea to reset your key fob to make sure that it functions correctly.

Replacing the Transmitter

With your replacement key for Nissan Micra fob acting as the "key" to so many of your car's essential functions, it could be a big blow in the event that you lose or damage it. A damaged or broken key fob can prevent you from locking or starting your vehicle.

It's a good idea to keep an extra key fob in your possession in case of need. The procedure for replacing your Nissan keyfob can be done in a relatively straightforward manner. The process of replacing your Nissan key fob is quite simple. You will need a new flathead screwdriver and the new battery to get rid of the old.

You'll require an oval Panasonic CR 2032 3V battery (you are likely to find them in multipacks for under $5 USD). The battery will be inside the key fob's back half and you'll have to gently push the two halves to expose the battery. Use a small flathead screwdriver to lever the clip on the top of the battery to take it off, taking note of the position. Replace the battery and then assemble the key fob. Make sure to test it to verify it is working.

As with any electronic device, the Nissan Intelligent Key will eventually wear out over time due to normal use and will require replaced. Protect your key fob against magnetic fields, water and physical impacts. Do not drop it or put too much pressure on the device.

Replace the Key

If your Nissan key fob goes out or is damaged, you can't use it to unlock your car or start it. This is a major issue for those who need to go to work in Detroit or do errands in Dearborn.

The good news is that the battery inside your Nissan smart key isn't that difficult to replace. You can do it at home or at a dealership, and you'll usually find a pack of them for less than $5 at an hardware store.

Start by flipping the fob upside down and pressing a small catch on the back. This will open the emergency key that is mechanical. The emergency key will not allow you to start your car, but it will open the door.

Look for a small opening at the top of the casing. These are perfect to insert the screwdriver in it, allowing you to break the two pieces of the key fob apart. Once you've got access to the battery within, pull it out and note of its location. When you're ready to reassemble your key fobs, slide the new battery back into its place and secure the two components of the case together. Then insert the mechanical key and your Nissan smart key will be able to operate as usual.

Other Issues

Many modern vehicles are equipped with key fobs that allow you to lock and open them without the need for the physical car key. The key fob works as the transmitter to communicate with the computer system in the car.

There are a few possible reasons why your Nissan key fob will not function after replacing the battery. One reason is that the new battery may not be seated properly within the key fob. A reset of the key fob is also a possibility. It's an easy task that can be accomplished at home with just a few tools.

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

Fortunately, most Nissan key fobs are user-programmable and you can accomplish this yourself. It is typically done by inserting your keyfob into the ignition twice in five minutes. If this fails, you can take your key fob in to an auto locksmith or dealer to have it programmed. The cost will differ depending on the company you contact and the type of car you have.