Three Common Reasons Your Nissan Juke Key Fob Replacement Isn't Working (And How To Fix It) Nissan Car Key Replacement

Replacing the Nissan key fob battery is usually an easy and simple task. But first you'll need to know if your car uses an intelligent fob, push to start button or regular remote/non-transponder key.

You'll also require your key code, which must be kept in a secure location and must match the one that came with your vehicle.

Transponder Keys

Transponder keys are commonly found in more modern vehicles. They are equipped with an RFID microchip that emits a unique car number when keys are inserted into ignition. It is designed to ensure that only the correct key can start the engine and stop theft. Contact your local dealership or locksmith to see a demonstration of this technology.


When the transponder is inserted in the ignition, the key sends an information to the chip inside the engine control unit (ECU) of the vehicle. The ECU determines if the code on the key matches the serial number digital of the ECU. If it does, the ECU will release the immobilizer to allow the engine to start. If the code isn't compatible and the ECU will reject the signal and keep the engine from starting.

They cost more than traditional keys, but provide added security. However car thieves have evolved to the changing times and have found ways around this anti-theft measure and so the additional cost isn't enough to deter them entirely.

Many people wonder if it is possible to duplicate the transponder keys yourself. The answer is yes. However, it's better to leave it to auto locksmiths. Additionally, the process could differ depending on the car's make and model.

Mechanical Keys

Many older Nissans were equipped with mechanical keys. These traditional metal keys did not have remote functions, and could only be used to open the doors of the vehicle and the ignition cylinders. A locksmith can change the inner parts of a damaged key or a damaged case to create a key replacement that works as good as new. A reputable and certified auto locksmith will also be able to make a new key at a lower cost than the dealership will charge.

There are a variety of mechanical keys and each one has its own unique process for replacement. Linear switches come with the ability to operate in a linear manner, for instance. When you press the key down, it will move until it hits a stopper. When the key is pushed into the ignition the switch will send an electronic signal to the car to turn it up.

nissan key fob replacement have an internal chip that communicates with the vehicle's computer system. If you lose your keys, it will have to be replaced with a new one programmed to work for the vehicle. This requires a higher level of technology for keys that can only be obtained from a specialized automotive locksmith, and will cost you more than a standard replacement key from the dealership.

Key Fobs

Key fobs have been an integral part of many cars since the mid 1990s. They let you unlock, lock and arm the car's alarm with a pressing of a key. Many people believe that these systems are safe enough that only those with your key code can escape with your car. Unfortunately, this is not always the case. It is possible for less cautious people to take advantage of these systems with only a few simple steps.

You may need to replace your Nissan key fob's batteries if they aren't functioning correctly. Most key fobs have a rechargeable CR2025 or CR2032 battery, and typically last for two years. If you're not certain how to change the battery, check the owner's manual for instructions.

If your key fob does not function because of a serious issue, you may need to replace or program it. These problems may be more complex than replacing the battery and could require assistance from an auto locksmith. Certain companies specialize in replacing and repairing smart keys, and can provide you with a OEM intelligent key at a cheaper cost than the dealer. They are also able to come to you, saving you the headache of leaving your vehicle at an auto repair shop. They are available all hours of the day seven days a week.

Remotes

Some Nissan models come with a remote keyless technology that utilizes an electronic key fob to unlock the door and/or start your engine. It is recommended that you have a spare in case yours gets lost.

A functional replacement key fob will save you the cost of a tow to the dealership, as well as the high cost of replacing your ignition keys. Fobs emit frequencies that communicate with the car's computer to perform a variety of tasks, including locking and unlocking doors or trunk release, and sounding panic alarm.

Browse our selection of Nissan key fobs to find the best one to match your year and model. You can also purchase a preprogrammed key fob, which is a more affordable option. Choose the correct style since many of them look similar and can create problems if not compatible. Also, online sellers offering a pre-programmed device typically require evidence of ownership or registration to prove the legitimacy of the product. Websites that do not require this information could be a scam.