How to Replace a Nissan Juke Spare Key
Nissan Juke is a fun and stylish hatchback, with an unusual engine setup. It's not the most quiet, but it's still a lot of fun to drive.
The key fob battery on the Nissan Juke must be replaced every two years or so, or if it's low. You can do it yourself, but you'll need tools.

Dead Coin Battery
If your Nissan Juke key fob has stopped working the first thing to be sure of is the battery within it. It may be dead and needs to be replaced, which is a simple fix that only takes a few minutes. You can do this by flipping the fob and accessing the tiny latch and release on the back. Remove the battery that was in use and then put in an alternative one, making sure it's facing down in the fob and line up the two halves of the fob with care.
The fob needs to be cleaned if it has been exposed to water before you are able to install an entirely new battery. Clean the fob with isopropyl or electronic cleaner, and paper towels. Then, let it dry completely before reinstalling the battery.
The key fob has to be connected to the car to start it. This can be done by following the instructions in the owner's manual or using an OBDII scanner. The most likely reason the key fob stopped working was because it wasn't linked to the car. It is also possible that the fob is equipped with a faulty chip, but this is rare. A new receiver module may be required in this scenario. If this is the situation the receiver module will need to be replaced by an experienced technician.
Water Damage
The key fobs are battery-operated and the batteries need to be replaced every two years, or as soon as the car stops responding when you push the "start" switch. The key's rubber seals protect them from water, however submerging a key fob in ocean or pool water can cause damage to the electronic chip. If this is the case you'll have to purchase a replacement key from Nissan or a locksmith.
If The Keylab has an active chip, it's likely that the computer has lost connection to it. This can occur due to a variety of reasons. This can be resolved by restarting the car. If the "Key ID error" message continues to appear then you should contact Nissan for assistance.
Three typical causes are a dead key fob battery as well as a key not programmed, or a damaged key fob that is damaged. The first two issues are easy to resolve, while the latter is a bit harder to diagnose and repair immediately, but it is generally fixable with some patience. WhoCanFixMyCar allows you to compare Nissan Key Replacement prices in your local area and then book your repair. It only takes a few seconds and you can read customer reviews from local garages, Nissan car mechanics and dealerships before you decide.
Faulty Chip
The key fob on your Nissan Juke contains a special chip which sends a message to the vehicle when you turn it. The key may stop working if the chip is faulty. If this is the case, the problem can be resolved only by replacing the key. There are a variety of reasons your Nissan Juke's keys could be damaged, including water damage or a dead coin battery, or a broken receiver module.
Check the chip for water damage if your key fob has stopped working after a wash or bath. Check that the clips that hold it in place are secure and that the chip is not exposed to water. If you notice any indications of water damage, consider removing the battery and wiping down the electronic component using isopropyl ethanol or electronic cleaner.
If the chip is faulty If it is damaged, you should visit your local locksmith shop or dealership. They will need the year model, make, and year of your vehicle to locate the replacement. You'll also need to note down the VIN (Vehicle Identification Number) to ensure that the dealer or locksmith is aware of the exact key you have. This will enable them to find the correct key code and ensure that they are cutting the right one.
Faulty Receiver Module
The fob's key sends a radio signal to your vehicle that performs various functions. The key fob can unlock your trunk as you rush with your groceries to the car or start your vehicle by pressing the fob's button. It can even open your windows and switch on the horn should you accidentally lock your keys in the car.
If the key fob stops working, there may be a problem with the receiver module inside the vehicle. The receiver modules are tuned to detect specific frequencies that correspond with the signals transmitted by the Nissan key fob. A defective receiver module could prevent your car from responding to the signal sent by the Nissan key fob.
It's recommended to carry a spare Nissan key fob in case your original key is lost or breaks. A locksmith or dealership can program a spare key to work with your Nissan. This can help you avoid the hassles of losing your keys or locking them inside your car.
If your Nissan Juke key fob has been exposed to pure rain or tap water The issue could be cleaned with isopropyl alcohol or electronic cleaner. If, however, the chip has become damaged, you will have to purchase a replacement key fob that is programmed to your car by a locksmith or a dealer.