How to Replace a Nissan Juke Spare Key
Nissan Juke is an attractive and fun hatchback that has an unusual engine configuration. It's quite noisy but still fun to drive.
Replace the battery for the key fob of your Nissan Juke every two years, or when it's at a low. duplicate nissan car key can do it yourself, but you'll need tools.
Dead Coin Battery
If your Nissan Juke key fob isn't working the first thing you need to be sure of is the battery that is inside it. It may be dead and need to be replaced. This is a simple fix that will take only several minutes. It's as easy as flipping the fob over and accessing the tiny latch/release at the back. Remove the battery from the old one and then insert a new one, making sure that it's facing down in the fob. Line between the two halves of the fob in a careful manner.
The fob must be cleaned if it has been exposed to water before you are able to put in an entirely new battery. This can be accomplished by using a paper towel and isopropyl alcohol or electronic cleaner, and allowing it to dry completely before inserting the battery.
The key fob needs to be linked to the car to start it, which is done by following the directions in the owner's manual or an OBDII scanner. If the key fob is not been paired, that is the most likely reason of why it has stopped functioning. A faulty chip in the fob could cause it to cease to function however this is extremely rare. A new receiver module might be required in this scenario. If this is the scenario, it's going to need to be replaced by an accredited technician.
Water Damage
The key fobs are battery-operated and the batteries need to be replaced every two years or when the vehicle stops responding when you hit the "start" switch. Keys come with rubber seals that keep water out, but submerging your key fob in the ocean or in a pool could damage the chip inside. If this happens you'll have to purchase a replacement key from Nissan or locksmith.
It's possible that the computer has lost connection to the key fob, which could be caused by a variety of reasons. A simple restart of your car will fix this issue, but should the key be displaying the "Key ID" error message, you'll need to contact Nissan or an auto locksmith to get help.
Three common causes are dead key fob battery and a key that's not programmed, or a damaged key fob that is damaged. The first two are fairly easy to fix, and the third is difficult to pinpoint and repair immediately, but it can be fixed with some patience. WhoCanFixMyCar allows you to compare Nissan Key Replacement prices in your local area and schedule your repair. You can read reviews of local Nissan dealerships, Nissan mechanics, and garages in a matter of moments.
Faulty Chip
The key fob in your Nissan Juke has a special chip that transmits an indication to the car every time you turn it. If the chip is damaged, it can cause the key to cease functioning. If this happens it is only possible to solve the issue by replacing the key. Your Nissan Juke key may be damaged due to several reasons, such as water damage or a dead battery for the coin.
Check the chip for any water damage in the event that your key fob stopped working after a bath or wash. Make sure the metal clips that hold it in place are secure and that the chip isn't exposed to any water. If you see any indications of water damage to the electronic component, remove the battery and clean it with isopropyl alcohol or electronic cleaner.
If the chip is not working If the chip is defective, you'll need to call your local locksmith or dealer. They will require the year as well as the model, make and year of your vehicle to find the replacement. You'll also need to note down the VIN (Vehicle Identification Number) to ensure that the locksmith or dealer is aware of the exact key you have. This will enable them to search for the correct key code and ensure that they cut the correct one.
Faulty Receiver Module

The key fob sends a radio frequency signal to your car that performs several functions. The key fob is able to unlock your trunk while you rush with groceries to your car or start your vehicle by pressing a button on the fob. It can also open your windows and switch on the horn in case you accidentally lock your keys in the car.
If the key fob doesn't function, it could be due a problem in the receiver module. The receiver modules are tuned to receive specific frequencies that match the signals sent by the Nissan key fob. A defective receiver module could hinder your car's response to the signal sent by the key fob from Nissan.
It's always a good idea to have a spare Nissan key fob in the event that your original key gets lost or breaks. A locksmith or dealership can program a spare key that works with your Nissan. This will allow you to avoid the hassles of losing your keys or locking them in your car.
If your Nissan Juke key fob has been exposed pure rain or tap water the issue can be cleaned with isopropyl ethanol or electronic cleaner. If the chip is damaged then you'll need to buy a new key fob that can be programmed to your car through a locksmith or dealer.