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Nissan Car Key Replacement Nissan key fob batteries are easy to replace. 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 need your key code, which should be kept in a safe location and should match the one that came with your car. Transponder Keys Transponder keys are typically used in newer cars. They are equipped with an RFID microchip that transmits a unique car code when the key is placed in ignition. It is designed to ensure that only the right key is able to start the engine and also prevent theft. Contact your local dealer or locksmith to see the demonstration of this technology. When the transponder key is inserted in the ignition, it sends an electronic signal to the chip within the engine control unit (ECU). The ECU then examines whether the code contained in the key matches with its own digital serial number. If it does it, the ECU then disengages the immobilizer and permits the engine to begin. If the code is not in line, then the ECU will deny the signal and prevent the engine from beginning. They are more expensive than traditional metal keys but provide additional security. The cost of these keys is higher than traditional keys made of metal however they offer more security. Many people wonder if is possible to copy the transponder-key by themselves. The answer is yes. However, it's preferential to leave it to auto locksmiths. Furthermore, the procedure can vary depending on your car's make and model. Mechanical Keys Many older Nissans had mechanical keys. These traditional keys made of steel did not come with remote functions, and were only capable of unlocking the doors and the ignition cylinders in the car. Locksmiths can replace the internal parts of a damaged key or a damaged case to create a replacement key that functions like new. A reputable and qualified auto locksmith will also be able to cut you a new key at a much lower cost than the dealership will charge. There are various kinds of mechanical keys each with its particular method for replacement. Linear switches have an actuation chart that is linear, for instance. As you press the key down, it will move until it comes to a stopper. When the key is put into the ignition, the switch will send a signal to the car to start it up. Intelligent keys have an internal chip that communicates with the vehicle's computer system. This means that if you lose your keys, it must be replaced with a brand new one that has been programmed to work with your specific vehicle. This requires a more sophisticated key technology, only available through an automotive locksmith. It is more expensive than a regular key replacement at the dealership. Key Fobs Since the late 1990s, key fobs have been a common feature in all cars. You can lock, unlock and arm your car's alarm at the press of a button. Many people assume that these systems are safe enough that only those who has access to your key code is able to drive away with your car. However, this isn't always true. It's possible for less scrupulous individuals to profit from these systems in just a few steps. It's possible that you need to replace your Nissan key fob's battery in case it's not functioning correctly. www.thekeylab.co.uk as well as CR2032 batteries that are used in the majority of key fobs can last for around two years. Look up the owner's manual for instructions if you are not sure how to replace the battery. If your key fob isn't function due to a significant problem, you may need to replace it or program it. These issues could be more complex than replacing the battery and might require the assistance of an auto locksmith. Some companies specialize on fixing and replacing intelligent keys, and can provide you with an OEM intelligent key at a price lower than the dealer. They can also be at your location, avoiding you the hassle of having to leave your vehicle in a service center. They are also available 24 hours a day, seven days a week. Remotes Some Nissan models come with a remote keyless technology that utilizes keys to open the door and/or start your engine. Having a spare key in case you lose yours is highly recommended. A functioning replacement key fob can save you the expense of a tow to the dealership and the pricey replacement cost for your ignition keys. Fobs emit a sound that communicates with the car's computer to complete a sequence of actions, including locking or unlocking the doors as well as activating the trunk release, or sounding the panic alarm. Browse our selection of Nissan key fobs and find the best one for your specific model and year. You can also buy a pre-programmed key fob for the same price. Choose the correct style since many of them look similar and can cause problems if not compatible. Online sellers who provide a preprogrammed keyfob typically require evidence of ownership or registration to prove the legitimacy. Websites that do not ask for this information may be scams.