How to Replace a Nissan Juke Spare Key
Nissan Juke is a fun and stylish hatchback that has an unusual engine setup. It's a bit noisy, but it's still enjoyable to drive.
The battery for the key fob in your Nissan Juke should be replaced every two years or every two years, or when it's low. It's easy to do at home, but you'll need a few tools.
Dead Coin Battery
If your Nissan Juke key fob has stopped working the first thing to examine is the battery inside. It could be dead and requires to be replaced. This is a quick fix that takes just a few minutes. It's as easy as flipping the fob and opening the tiny latch/release at the back. Replace the old battery, making sure it is on the bottom of the fob. Line up the two halves with care.
The fob needs to be cleaned if it was exposed to water before you are able to install a new battery. This can be done by using paper towel and isopropyl alcohol or electronic cleaner, and then let it dry completely prior to re-inserting the battery.
The key fob needs to be linked to the car in order to start it, which is done by following the instructions in the owners manual or an OBDII scanner. If the key fob has not been paired, that is the most likely reason of why it isn't functioning. A faulty chip in the fob may cause it to cease to function, but this is rare. In this scenario an entirely new receiver module could be required. If this is the situation it should be replaced by an experienced technician.
Water Damage
The key fobs are battery-operated, and the batteries should be replaced every two years or when the car ceases to respond when you press the "start" switch. The key's rubber seals are designed to keep out water, however submerging a key fob in the pool or ocean can damage the electronic chip. If this happens you'll require a new key from Nissan or an automotive locksmith.
It's possible that the computer lost connection with the key fob and this could be due to a number of factors. This can be corrected by restarting the car. If the "Key ID error" message is still visible, you will need to contact Nissan for assistance.
The three most common causes of this problem are dead key fob batteries, a non-programmed key, and a damaged or defective key fob that is damaged or defective. The first two are relatively simple to fix, while the third one is harder to diagnose and repair on the spot, but it can usually be fixed by a little patience. Compare Nissan Key Replacement prices in your area with WhoCanFixMyCar, and book your repair online. It takes just two minutes, and you can even read customer reviews from local garages, Nissan car mechanics and dealerships before deciding.
Faulty Chip
The key fob of your Nissan Juke contains a special chip which sends a message to the vehicle each time you turn it. If that chip is faulty it could cause the key to stop functioning. In this instance it is possible to fix the problem by replacing the key. There are several reasons why your Nissan Juke's keys could be damaged, including water damage, a dead coin battery or a damaged receiver module.
If your key fob stopped working after an immersion in the wash or bath, it is important to examine the chip for water damage. Check that the retaining clips are tight and that the chip isn't exposed to any water. If you notice any indications of water damage, you can try removing the battery and wiping down the electronic component with isopropyl ethanol or electronic cleaner.
If the chip is damaged If the chip is damaged, you'll have to contact your local locksmith or dealer. They will need the year, make, and model of your vehicle in order to locate the replacement. You will also need to record the VIN (Vehicle Identification Number) to ensure that the locksmith or dealer knows precisely which key you own. This will enable them to locate the correct key code and confirm that they are cutting the correct one.
Faulty Receiver Module
The key fob sends radio frequency signals to your car in order to perform many functions. The key fob can unlock your trunk as you rush to get groceries or start your vehicle by pressing the fob's button. It can also open your windows and turn on the horn in the event that you lock the keys in your car.
If the key fob ceases functioning, it could be a problem with the receiver module in the vehicle. The receiver modules are tuned to detect specific frequencies that correspond with the signals sent by the Nissan key fob. If your car has an inoperable receiver module it will not respond to any signal from the key fob.

Whatever way your Nissan key fob gets damaged, it is always recommended to have a spare key in case the key is broken or lost. A locksmith or a dealership can program the spare key to work with your Nissan. This will save you from the hassle of losing your keys or locking them inside your car.
If your Nissan Juke key fob has been exposed to clean tap water or rain it is possible to have the issue cleaned with isopropyl alcohol, or electronic cleaner. If nissan car key replacement is damaged you will need to purchase an alternative keyfob that could be coded for your vehicle by a locksmith or dealer.