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Nissan Car Key Replacement Nissan key fob batteries are simple 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 require your key code, which must be stored in a secure place and should match the one that came with your vehicle. Transponder Keys Transponder keys are commonly used in newer cars. They feature an RFID microchip that transmits a unique vehicle code when the key is put in the ignition. It is designed to guard against theft by making sure that only the correct key is able to start the vehicle. Contact your local dealer or locksmith to view the demonstration of this new technology. When the transponder gets inserted in the ignition, the key sends an electronic message to the chip in the engine control unit (ECU) of the vehicle. The ECU then examines whether or not the code in the key is in line with its digital serial number. If it does, the ECU disengages the immobilizer to allow the engine start. If the code doesn't match it, the ECU will block the engine from beginning. They're more expensive than traditional metal ones, however they offer greater security. The cost of these keys is more expensive than traditional metal keys however they offer more security. Many people wonder if it is possible to duplicate the transponder-key by yourself. nissan qashqai spare key is yes. However, it's best to leave it up to auto locksmiths. The procedure may also differ depending on the brand and model of your car. Mechanical Keys Many older Nissans came with mechanical keys. These keys, which were made of metal, were not equipped with remote functions and were used to unlock the doors of the car and the ignition cylinders. Locksmiths can replace the inside parts of a damaged key or damaged case to make a replacement that works like new. A reputable and experienced auto locksmith can also cut the key at a less cost than a dealership. There are several different types of mechanical key each with its distinct method of replacement. Linear switches feature the ability to operate in a linear manner, for instance. As you press the key down it will move until it hits a stopper. When the key is inserted into the ignition the switch will send a signal to the car to start it up. Intelligent keys are equipped with chips that communicate with the computer system of the vehicle. If you lose your key it must be replaced by a new one that is programmed to work with the vehicle. This requires a more sophisticated key technology that is only accessible through a specialized automotive locksmith. It will cost more than a standard key replacement at the dealership. Key Fobs Since the late 1990s key fobs have become a standard in the majority of automobiles. They allow you to unlock and lock the car's alarm at the press of a button. Many people think that these systems are secure enough that only someone with access to your keycode is able to drive away with your vehicle. But this isn't always the case. It is possible for less cautious individuals to make use of these systems in just a few steps. If your Nissan's key fob doesn't function as it should, you may need to replace the battery. Most key fobs use rechargeable CR2025 and CR2032 batteries, and they generally last between two and three years. If you're not sure how to replace the battery, check the owner's manual for instructions. If your key fob won't function due to a major issue, you might need to replace or program it. These issues could be more complex than replacing the battery and may require the assistance of an auto locksmith. Some locksmiths specialize in replacing and repairing smart keys, and they are able to provide you with an OEM smart key at an affordable price compared to the dealership. They are also able to visit you, saving you the hassle of having to leave your vehicle at an auto repair shop. They are open 24 hours a days, 7 days a weeks. Remotes There are some Nissan models that feature a remote keyless entry system, which uses keys to unlock your door and/or start the engine. A spare key in case you lose your key is highly recommended. A key fob replacement that functions will save you from having pay for a tow as well as the cost of replacing your lost ignition keys. Fobs emit frequencies that communicate with the computer of the vehicle to perform a series of tasks such as locking and unlocking doors and trunk release, as well as alarms that sound panic. Explore our collection of Nissan key fobs and find the one that is right for your model and year. You can also get a preprogrammed keyfob, which is a less costly option. Just be sure to select the correct design, as many look similar and can cause problems if they are not compatible. Online sellers who offer preprogrammed key fobs usually require proof of ownership or registration to prove the legitimacy. Beware of websites that do not ask for this information, and could be fraudulent.