How to Replace a Nissan Juke Spare Key
Nissan Juke is a fun and stylish hatchback that has an unusual engine configuration. It's a bit noisy but still a blast to drive.
The battery for the key fob in your nissan juke needs to be replaced every two years or every two years, or when it's low. You can do it yourself, however you will need some tools.
Dead Coin Battery
If your Nissan Juke key fob isn't functioning, the first thing to look at is the coin battery inside it. It may be dead and requires to be replaced. This is a simple fix that will take only a few minutes. Flip the fob upside down and you can access the tiny latch/release located at the back. Replace the battery you have previously installed and ensure it's on the bottom of the fob. Line up the two halves carefully.
If the fob has been exposed to water, it will need to be cleaned prior to putting the new battery in. Clean the fob with isopropyl or electronic cleaner and a towel. Then, let it dry completely before reinstalling the battery.
The key fob must also to be linked to the car in order to be able to start the car. This can be done by following the instructions in the owner's manual or an OBDII scanner. If the key fob has not been paired, this is the most likely reason of why it isn't working. It could also be that the fob is equipped with malfunctioning chips, but this is a rare occurrence. A new receiver module may be required in this instance. If this is the situation it must be replaced by a professional technician.
Water Damage
The key fobs are battery-operated and the batteries need to be replaced every two years or at the point that the vehicle stops responding when you push the "start" switch. The key's rubber seals protect them from water, however submerging your key fob in the pool or ocean water could harm the chip's electronic. If nissan duplicate car keys G28 Car Keys happens, you'll need to get a replacement key from Nissan or a locksmith.
If the key fob has functioning chips it's possible that the computer has lost its connection to it, and this could happen for any number of reasons. A simple restart of the vehicle will resolve this issue, but if the key's still showing the "Key ID" error message, you'll need contact Nissan or an auto locksmith for help.
Three common causes are a dead key fob battery and a key that's not programmed, or a damaged key fob. The first two are relatively easy to resolve, while the third is harder to diagnose and repair in the moment, but it can usually be fixed with some patience. WhoCanFixMyCar lets you compare Nissan Key Replacement prices in your region and book your repair. It takes just two minutes and you can read reviews of customers from local garages, Nissan car mechanics and dealerships before deciding.
Faulty Chip
The key fob on your Nissan Juke contains a special chip that sends a message to the vehicle every time you turn it. If the chip is not functioning properly, it can cause the key to cease functioning. If this happens, the problem can only be solved by replacing the key. There are several reasons why your Nissan Juke's key could be faulty, including water damage or a dead coin battery or a malfunctioning receiver module.
Check the chip for water damage If your key fob has stopped working after a bath or wash. Make sure that the metal clips that hold the chip are in good condition. Also, ensure that the chip isn't surrounded by water. If you observe any signs of water damage, try removing the battery and wiping down the electronic component using isopropyl alcohol or an electronic cleaner.
If the chip is not working, you will need to visit your local locksmith shop or dealership. They will require the year the make, model, and year of your vehicle in order to locate a replacement. You will also need to write down the VIN (Vehicle Identification Number) so that the locksmith or dealer knows exactly which key you own. This will enable them to find the correct key code, and also ensure that they cut the right one.
Faulty Receiver Module
The key fob sends a radio signal to your vehicle that performs various functions. The key fob is able to unlock your trunk as you rush with groceries to the car or start your car by pressing an icon on the fob. It can also open your windows and turn the horn on when you accidentally lock the keys in your car.
If the key fob ceases functioning, it could be an issue with the receiver module inside the vehicle. The receiver modules are tuned so they can receive certain frequencies which correspond to the signals that are transmitted by Nissan key fobs. If your car has an unreliable receiver module, it will stop responding to any signal sent by the key fob.
It's always an excellent idea to have an extra Nissan key fob in case your original key gets lost or breaks. A spare key can be programmed by a locksmith or dealership to work with your Nissan and will help you avoid the anxiety of locking your keys inside your car or losing them.

If your Nissan Juke's key fob was exposed to rain or clean tap water, you can solve the problem by cleaning it with isopropyl or an electronic cleaner. If the chip has become damaged, you will need to purchase an alternative keyfob that could be coded for your vehicle by a locksmith or dealer.