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Replace Nissan Key Fob Batteries
If your Nissan keyfob doesn't respond to your commands, its battery might be dead. This is a simple fix that a majority of people can complete themselves.
You can find the replacement from a local hardware store, or in your owner's manual that is specific to the model you own and then follow these instructions to change the battery.

Change the battery
The key fob in your Nissan model is equipped with an internal lithium battery which will eventually lose charge. Luckily, changing the key fob battery is an easy process which takes just about a minute to complete. First, you'll need to purchase an CR2032 replacement battery. It's a tiny coin cell battery that's often found in key fobs, and can be found at most convenience stores. To open the key fob, you'll also require a pair (latex or not) of gloves and an incredibly small screwdriver. Before you begin, make sure to check the owner's manual to find specific steps and directions.
Flip the fob upside down and look at the backside. You will see a small catch that you have to release by pulling it down. This will remove the mechanical key from the original position within the fob.
Then, you can insert the new battery, and make sure that it's positioned correctly. Once the battery is in place close the fob and then press the two sides together. After completing this last step verify your key fob by pressing the unlock button and seeing what happens. If everything is in working condition, you're able to enjoy your Nissan's various features. It's recommended to re-program the key fob after changing the battery to ensure that it's operating properly.
Replace the Transmitter
With your key fob acting as the "key" to many of your car's most important functions, it can be a major blow in the event that you lose or damage it. If your key fob is damaged or dead, damaged key fob, you'll find yourself without the ability to lock or start your car.
It's a good idea keep a spare key fob on hand in case of an emergency. Fortunately, the process of replacing your Nissan key fob is simple. The procedure for replacing the Nissan key fob is easy. You will need a new flathead screwdriver, as well as the new battery to get rid of the old.
You'll also require an Panasonic CR2032 3V round battery (you can purchase them in multipacks that cost under $5 USD). The battery is in the back of the key fob. You'll need a small screwdriver with a flat head to gently separate the two halves. Use a flathead screwdriver and a small flathead to remove the clip that is on top of the battery. Be sure to note its place of placement. Replace the battery, and assemble the key fob. Test it to make sure it works.
Nissan Intelligent Keys will eventually wear out and require to be changed as with any other electronic device. Protect your key fob against water, magnetic fields and physical impacts. Be careful not to drop it or apply too much pressure to the device.
Replacing the Key
When your Nissan key fob is not working you won't be able to use it to unlock or start your vehicle. This is a problem for those who must get to work in Detroit, run errands near Dearborn or enjoy a night on the town close to Troy.
The good news is that the battery in your Nissan smart key isn't a problem to replace. You can replace the battery at home or in the dealership. A pack usually costs $5 or less.
Begin by flipping the fob upside down and pushing a small catch on the back. This will open the mechanical emergency key. The emergency key won't allow you to start your vehicle however, it will allow you to open the door.
Find a small slit at the top of the casing. These are great to put an screwdriver through, allowing you to pry the two parts of the key fob apart. Once The Keylab 've gained access to the battery inside, take it out and make note of its positioning. When you're ready to reassemble your key fob, place the new battery back into its place and then snap the two pieces of the case. Then insert the mechanical key, and your Nissan smart key will operate as usual.
Other Problems
Many modern vehicles come with key fobs, which let you to lock them and start them without the need for a physical key. To accomplish this, the key fob uses tiny transmitters to communicate with the car's computer system.
If your Nissan key fob does not function after you replace the battery There could be a number of reasons why. One possibility is that the new battery was not properly fitted into the key fob. Another possibility is that the key fob needs to be reset. This is an easy process that you can complete at home with just a few tools.
For instance, you'll need a screwdriver, and preferably with a flat tip to unlock the key fob and then remove the old battery. With a screwdriver, pull the back of the keyfob and then insert the new batteries. You'll also need to reset your key fob in order for it to work with your vehicle.
Fortunately, the majority of Nissan key fobs can be programmed by a user and you can do this yourself. This is usually accomplished by inserting your keyfob into the ignition twice in five seconds. If this doesn't work then you should take your key fob in to an auto locksmith or dealer to have it programmed. The cost will vary depending on the person you contact and the type of car you own.