Replace Nissan Key Fob Batteries

If your nissan key programming key fob isn't responding to commands, it's a sign that its battery is dead. This is a simple fix that the majority of people can do themselves.

You can find a replacement from a hardware store or your owner's manual for the particular model you own, and you'll need to follow these steps for changing the battery.

Changing the Battery

The key fob that you have in your nissan juke key fob model is equipped with a built-in battery that can eventually lose its charge. Luckily, changing the battery on the key fob is a simple procedure that takes only a few minutes to complete. You'll first need to purchase a CR2032 battery. This is a small coin cell battery often used in key fobs and can be found in a variety of convenience stores. To open the key fob, you'll also need an appropriate pair (latex or not) of gloves and a small flathead screwscrew. Read the owner's manual for a detailed guideline and steps before starting.

When you have the new battery, you can remove the old one by turning the fob upside down and looking at the backside. You will see a small catch that you must release by pulling it down. This will remove the mechanical key from the original position within the fob.

Install the new battery and ensure it is oriented correctly. Close the fob once the battery is installed and then press the two sides of the fob together. After completing this final step check your key fob by pressing the unlock button and seeing what happens. If everything is in working order, you can now enjoy your Nissan's many features. After changing the battery it's recommended to re-program your key fob to ensure that it's working correctly.

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 should you lose or break it. And with a dead or damaged key fob, you'll find yourself without the ability to lock and start your car.

It's a good idea to have an extra key fob in case of need. Fortunately, the process of replacing your Nissan key fob is quite easy. The procedure for replacing your Nissan key fob is fairly simple. You'll need an entirely new flathead screwdriver and a new battery to remove the old.

You'll require a round Panasonic CR 2032 3V battery (you can usually find them in multipacks for under $5 USD). The battery will be within the back of the key fob's half, and you'll need to gently rotate the two halves in order to expose the battery. Make use of a small flathead screwdriver to push the clip at the top of the battery to take it off, taking note of the position. Replace the battery and put the key fob back together. Test it to make sure it works properly.

Like any electronic device that you own, like all electronic devices, your Nissan Intelligent Key will eventually wear out from regular use and will need to be replaced. Protect your key fob against magnetic fields, water, and physical impacts. Don't drop it, or apply too much pressure to the device.

Replace the Key

If your Nissan key fob is lost in the middle, you won't be able to use it to unlock your car or even start it. That's a problem for people who have to travel to work in Detroit or run errands in Dearborn, or enjoy an evening on the town close to Troy.

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

Flip the fob over and push the small catch to the back. This will trigger the emergency key that is mechanical. While you won't be able to use the emergency key to start your vehicle but it will allow you to open the door.

Find a small slit at the top of the casing. You can use a screwdriver to pry apart the two pieces of the key fob. Once you've accessed the internal battery, take it out it and note its position. When you're ready to put back together the key fobs, slide the new battery into its spot and then snap the two pieces of the case. Insert the mechanical key and your Nissan smartkey will work just as normal.

Other Problems

A lot of modern cars come with key fobs which allow the user to lock and start them without having an actual car key. To accomplish this, the key fob uses tiny transmitters to communicate with the car's computer system.

There are many possible reasons why your Nissan key fob won't work after replacing the battery. For one, the new battery might not be seated properly in the key fob. Resetting the key fob is another possibility. It's an easy procedure that can be completed at home using some simple tools.

For instance, you'll need a screwdriver, and preferably with a flat tip to pry open the key fob to remove the old battery. Then, you'll need an open-ended screwdriver the back of the key fob to insert the new battery. After that, you'll need to reset the key fob so that it works with your vehicle.

Fortunately, the majority of Nissan key fobs are user-programmable, so you can easily do this yourself. It is typically done by inserting the fob into the ignition two times in five minutes. If this fails, you can take your key fob to an auto locksmith or dealer to have it programmed. The cost will differ based on the person you contact and the kind of vehicle you own.