Nissan Car Key Replacement

Replacing a Nissan key fob battery is generally a quick and simple 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 require your keycode, which you should keep in a secure place and should match the one in your car.

Transponder Keys

Transponder keys are typically found in modern vehicles. They have an RFID microchip that sends a unique code for the car when keys are inserted into the ignition. It is designed to ensure that only the right key is able to start the engine and prevent theft. Contact your local dealer or locksmith for a demonstration of this technology.

When the transponder gets inserted in the ignition, the key transmits an electronic message to the chip in the engine control unit (ECU) of the vehicle. The ECU determines if the code on the key is compatible with the serial number of the ECU. If it does, then the ECU disables the immobilizer in order to allow the engine to start. If the code doesn't in line with the ECU will deny the signal and prevent the engine from starting.

These keys are more costly than traditional keys made of metal, however they offer greater security. However, car thieves have adapted to the changing times and have found ways to get around this anti-theft system and so the additional cost will not stop them completely.

Many people are wondering if it is possible to duplicate a transponder-key themselves. The answer is yes. But, it's better to leave it up to auto locksmiths. The process can also vary depending on the make and model of your vehicle.

Mechanical Keys

Many older nissan keys vehicles came equipped with mechanical keys. These keys, which were made of metal, were not equipped with remote functions and could only be used to open the doors of the car and the ignition cylinders. If the key you have is damaged or broken, the case is damaged, a locksmith can typically replace the internal parts and make a replacement that functions as new. A reputable and experienced auto locksmith can also cut you the key at a less cost than the dealer.

There are a variety of kinds of mechanical keys, each of which has its own unique replacement process. Linear switches, like have a linear actuation graph. As you press the key down, it will move until it comes to the stopper. When the key is pushed into the ignition the switch will send an electronic signal to the car to turn it up.

Intelligent keys are equipped with an embedded chip that communicates with the vehicle's computer system. If you lose your keys, it must be replaced with a new key that is programmed for the vehicle. This requires a higher level of technology in the key that is only available through an automotive locksmith who is specifically trained, and will cost you more than a regular replacement key you can purchase from the dealership.

Key Fobs

Since the late 1990s, key fobs have become a standard in all automobiles. You can unlock, lock or arm your car's security alarm with the press of a button. Many people believe that the systems are secure the expense of replacing your ignition keys. Fobs emit frequencies that communicate with the vehicle's computer to perform a series of tasks like locking and unlocking doors opening trunks, activating trunk release and alarms that sound panic.

Shop our selection of nissan car keys key fobs for replacement to find the perfect one for your specific model and year. You can also buy an already-programmed key fob which is a more affordable option. Make sure you select the correct style, as they all look alike and could cause headaches if not compatible. Online sellers that provide a preprogrammed keyfob typically require proof of ownership or registration to prove legitimacy. Beware of sites that do not require this information, and could be scams.