How to Replace a Nissan Juke Spare Key
Nissan Juke is an attractive and fun hatchback that features distinctive engine configuration. It can be a bit noisy, but it's enjoyable to drive.
The key fob battery in the Nissan Juke has to 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 the key fob of your Nissan Juke is not working, you should check the coin battery. It may be dead and need to be replaced. This is a simple fix that takes only about a couple of minutes. It's as easy as flipping the fob upside down and opening the tiny latch and release on the back. Replace the battery you have previously installed by making sure it's facing down on the fob. Line up the two halves carefully.
If the fob has been exposed to water, it needs to be cleaned prior placing the new battery in. You can clean the fob with isopropyl or electronic cleaner and a towel. Then let it dry completely prior to installing the battery.
The key fob has to be connected to the vehicle to start it. This is done by following the directions in the owner's manual or using an OBDII scanner. The most likely reason why the key fob was not working is because it wasn't properly paired. It could also be that the fob has defective chip, however this is a rare occurrence. In this scenario the need for a new receiver module might be required. If this is the situation, it's best to be replaced by an authorized technician.
Water Damage
Key fobs operate on batteries and the batteries must be replaced every two years or at the point that the car stops responding when you press the "start" switch. The key's rubber seals keep out water, but submerging the key fob in the pool or ocean water could damage the electronic chip. If this is the situation you'll need to obtain a new key from Nissan or an automotive locksmith.

If the key fob has functioning chips It's likely that the computer has simply lost connection to it, and this could occur for a variety of reasons. A simple restart of the car can fix this, but if the key is still displaying the "Key ID" error message, you'll need to contact Nissan or an auto locksmith for assistance.
Three common causes are dead battery for the key fob or a key that's not programmed, and a damaged key fob. The first two are fairly easy to resolve, while the third is more difficult to identify and repair in the moment, but it is usually fixable with a bit of perseverance. WhoCanFixMyCar allows you to compare Nissan Key Replacement costs in your area and schedule your repair. It takes just a few minutes and you can read reviews of customers from local garages, Nissan car mechanics and dealerships before deciding.
Faulty Chip
The key fob of your Nissan Juke has a special chip that sends an alert to the car whenever you turn it. If that chip is faulty it could cause the key to cease functioning. In this instance it is only possible to fix the problem by replacing the key. There are nissan qashqai key may be faulty, including water damage or a dead coin battery, or a broken receiver module.
If your key fob stopped working after a wash or even a bath, you must check the chip for damage from water. Make sure that the metal retaining clips are tight and the chip is not exposed to any water. If you notice any indications of water damage, try removing the battery and cleaning the electronic component using isopropyl ethanol or electronic cleaner.
If the chip is damaged If the chip is defective, you'll need to call your local locksmith or dealer. They will need the year model, make, and year of your vehicle to locate an alternative. It is also necessary to record your VIN (Vehicle ID Number) so that the dealer, or locksmith can know exactly what key you have. This will allow them to locate the correct key code and confirm that they cut the correct one.
Faulty Receiver Module
The key fob transmits the radio frequency signal to your car that performs several functions. It can unlock the trunk as you rush to your car with groceries or start your car by pressing the button on the fob. It can also open your windows and turn on the horn if you accidentally lock your keys inside the car.
If the key fob ceases working, it could be problems with the receiver module in the vehicle. The receiver modules are tuned to detect specific frequencies that correspond with the signals that are transmitted by the Nissan key fob. A defective receiver module could prevent your car from responding to the signal generated by the key fob from Nissan.
It is always an excellent idea to have an extra Nissan key fob in case the original key you have or breaks. A locksmith or dealer can program a spare key that works with your Nissan. This will save you from the hassles of losing your keys or locking them inside your car.
If your Nissan Juke's key fob was exposed to rain or clean tap water, you can fix the issue by cleaning it with isopropyl, or an electronic cleaner. If the chip is damaged then you'll need to buy a new key fob that can be encoded to your car by a locksmith dealer.