How to Replace a Nissan Juke Spare Key
Nissan Juke is a fun and stylish hatchback with an unusual engine setup. It's noisy, but it's enjoyable to drive.
Replace the battery in the key fob of your Nissan Juke every two years, or when it's low. You can do it yourself, but you'll need a few tools.
Dead Coin Battery
If your Nissan Juke key fob has stopped functioning the first thing you need to be sure of is the battery within it. It could be dead and needs to be replaced. This is a simple fix that will take only several minutes. Flip the fob upside down and you'll be able access the tiny latch/release at the back. Replace the old battery with the new one, making sure it's facing down on the fob. The two halves carefully.
If the fob was exposed to water, it will need to be cleaned prior placing the new battery into. This can be accomplished by using a paper towel along with isopropyl alcohol or electronic cleaner, and let it dry completely before re-inserting battery.
To start the car the key fob has to also be paired to the car. This can be accomplished by following the directions in the owner's manual or with an OBDII scan. The most likely reason for why the key fob stopped working was because it wasn't connected to the car. A damaged chip in the fob can cause it to stop working however this is not a common occurrence. In this instance the need for a new receiver module may be needed. If this is the situation, it's best to be replaced by a certified technician.
Water Damage
The key fobs run on batteries, and the batteries should be replaced every two years, or as soon as the vehicle stops responding when you hit the "start" switch. Keys are fitted with rubber seals to keep water out, however submerging the key fob into the ocean or pool could damage the chip that is 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 This could result from a variety of reasons. It can be fixed by restarting the car. If the "Key ID error" message persists then you must contact Nissan for assistance.
Three typical causes are a dead key fob battery, a key that is not programmed, and a damaged key fob. The first two problems are relatively simple to fix and the third one is more difficult to diagnose and repair, but can be resolved with patience. Compare Nissan Key Replacement prices in your area with WhoCanFixMyCar and then book your repair online. It only takes 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 transmits a message to the vehicle when you turn it. The key might not function when the chip is defective. If this happens, the problem will only be resolved by replacing the key. There are a myriad of reasons your Nissan Juke's key could be defective, such as water damage or a dead battery for your coin or a malfunctioning receiver module.
Examine the chip for water damage in the event that your key fob stopped working after a bath or wash. Make sure the retaining clips on the chip are in good condition. Also, ensure that the chip isn't surrounded by water. If you notice any indications of water damage, try removing the battery and cleaning the electronic component with isopropyl alcohol or an electronic cleaner.
If the chip is not working, you'll need to contact your local locksmith or dealer. They will need to know the year as well as the model, make and year of your vehicle to find an alternative. Also, you will need to note down the VIN (Vehicle Identification Number) so that the locksmith or dealer knows precisely which key you own. nissan keys will enable them to check the correct key code, and ensure they are cutting the correct one.
Faulty Receiver Module
The fob's key sends a radio signal to your vehicle to perform various functions. The key fob can open your trunk when you are rushing to get groceries or start your car by pressing an icon on the fob. It can also open your windows and turn on the horn in the event you lock your keys inside your car.
If the key fob isn't able to work, it may be due to a malfunction 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 transmitted by the key fob of Nissan.
It is always recommended to carry an extra Nissan key fob in the event that the original key you have or breaks. A spare key can be programmed by a locksmith or dealership to work with your Nissan and will save you the stress of locking your keys inside your vehicle 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. However, if the chip has become damaged, you will have to buy a new key fob that is programmed to your car by a locksmith or dealer.