Nissan Car Key Replacement
Replacing a Nissan key fob battery is usually an easy and quick process. 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 the key code that should be kept in a safe location and must match the one that came with your vehicle.
Transponder Keys
Transponder keys are often found in newer vehicles. They come with an RFID microchip that transmits a unique vehicle code when the key is inserted into ignition. The idea behind this technology is to prevent theft by ensuring that only the right key can be used to start the vehicle. Contact your local dealer or locksmith to see the demonstration of this technology.
When the transponder key is inserted into the ignition, it transmits an electronic signal to the chip inside the engine control unit (ECU). The ECU checks to see if the key's code on the key corresponds to the digital serial number of the ECU. If it does it, the ECU removes the immobilizer, allowing the engine to start. If the code is not compatible and the ECU will reject the signal and keep the engine from beginning.
They are more expensive than traditional keys, but give you extra security. The cost of these keys is more expensive than traditional metal keys but they offer greater security.
Many people are wondering if it is possible to duplicate a transponder-key yourself. The answer is yes. However, it's better to leave it up to auto locksmiths. The procedure can vary depending on the brand and model of your car.
Mechanical Keys
A lot of older Nissans had mechanical keys. These traditional keys made of steel didn't have remote functions, and were able to unlock the doors and ignition cylinders on the car. If your key fails or the case is damaged, a locksmith will generally replace the inside parts and make a replacement that operates like new again. A reputable and certified auto locksmith can also cut a key for a lower cost than a dealership.
There are several different types of mechanical keys, and each has its own unique process for replacement. Linear switches come with an actuation chart that is linear, for instance. This means that as you press the key down, it will move a certain distance until it hits a stopper or actuates an internal spring. The switch will send a signal to start the car once the key is inserted into the ignition.
Intelligent keys contain an embedded chip that communicates with the computer system of the vehicle. If you lose your key, it will have to be replaced by a new one that has been programmed to work with the vehicle. This requires more advanced key technology that is only available through a specialized automotive locksmith. It is more expensive than a standard replacement key at the dealership.
Key Fobs
Since the late 1990s key fobs became a standard in all automobiles. You can unlock, lock and arm your car's alarm system with the touch of a button. Many people believe that these systems are so secure that only a person with your keycode can take off with your car. But that's not always the situation. It's possible for less scrupulous people to take advantage of these systems with just a few steps.
If your Nissan's key fob isn't working as it should, you might require replacing the battery. The rechargeable CR2025 or CR2032 batteries found in most key fobs last about two years. If you're not certain how to replace the battery, refer to your owner's manual to learn more.
If your key fob won't work because of a serious issue, you may need to replace it or program it. These issues could be more complex than an easy replacement of the battery and may require assistance from an auto locksmith. Certain companies specialize in replacing and repairing intelligent keys and can supply you with a OEM intelligent key at a price lower than the dealer. They can also be at your location, avoiding you the burden of having to leave your vehicle at an establishment for service. They are available all hours of the day, all week.
Remotes
There are Nissan models that have a remote keyless entry system, which makes use of a key fob to unlock your door and/or turn on the engine. It is recommended that you have a spare in the event that yours gets lost.
A working replacement key fob will save you the cost of an expensive tow to the dealer and the hefty fee to replace the ignition keys that you lost. The KeyLab that communicate with the vehicle's computer to perform a series of tasks like locking and unlocking doors or trunk release, and the sounding of a panic alarm.
Browse our selection of Nissan replacement key fobs to find the right one for your specific model and year. You can also purchase a pre-programmed key fob which is a cheaper option. Just be sure to select the correct design, as many look similar and can cause problems if they are not compatible. Additionally, online sellers that offer a pre-programmed device typically require evidence of ownership or registration to ensure the legitimacy of the product. Beware of sites which do not require this information and may be scams.