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How to Repair Fiat 500 Keys There are many reasons why your Fiat 500 key FOB may cease to function. One of the most frequent is the small “watch” battery inside dies. It's an 3.3-volt lithium CR2032 and you can find it at a price of less than $3. A locksmith is the ideal source to call if you require a new car key for the classic Fiat model. United Locksmith offers this service, and has all the tools and parts required. Keys On the outside a Fiat key may appear to be basic but inside the casing is an electronic chip that communicates with your vehicle's immobiliser system. If the chip isn't present, or not programmed correctly to the immobiliser, your car will not be able start. Car Keys Solutions can offer you the latest technology and equipment from dealers to repair your Fiat key, even if the key has been damaged or lost. A spare key can keep your vehicle in case of an accident or lockout. If you require an ordinary blank or a remote fob we can help. visit the following internet page use the highest quality blanks, and we offer a rapid turnaround time so that you can be back on the road in no time. Some people prefer to go to an Fiat Dealership when they require a new ignition key, but we are able to provide a less expensive and quicker service. We can also come to you and save you the expense of towing your car to the dealer. This can also cut down on the waiting time which can take up to 10 days at a dealer. Remotes Remote controls for Fiat cars look like the keys, but they feature an IR (infrared) LED at the top. This LED transmits an indication to the device which opens or starts the car when pressed. The microprocessor in a key converts the signal into a code that is then sent to the device. This process is known as “keyless entry”. The newer your vehicle is, the more likely it will be to feature a keyless entry system. The newer your vehicle is has, the more features you'll likely have. This includes everything from locking and unlocking your car with a button press to opening the doors without having to hold the door handle and more. The key fob is equipped with an integrated circuit chip which communicates with the immobiliser system of the car. The system can determine if the correct key is in place by examining a specific sequence of digits in the transponder chip. The vehicle will not start in the event that the chip is not present or in the event that it is not programmed to the right immobiliser system. A locksmith can replace the key fob in case it is damaged. The locksmith will also have to program the new key so that it can sync up with the immobiliser system in the car. This is a crucial aspect of the process, and you should be prepared to provide details about your vehicle to your locksmith when they call. Keyless Entry If you have an entry system that is keyless on your Fiat 500, you can lock and unlock the vehicle from anywhere with a push of a button. This technology is becoming more prevalent in vehicles of all kinds and ages as it provides convenience and safety to the use of your vehicle. If your remote keyless entry system fails to work, check to see if the coin battery in the fob has died. If the battery has been drained replace it with a new one with the same size, voltage and type as the original. You should also ensure that the battery's contact points are clean and free of corrosion or dust. The key fob comes with rubber seals that protect the chip inside from water, however, prolonged exposure to salty or soapy water could cause the chip to fail. If your key fob is exposed to water, you must remove the battery and allow it to dry completely before putting it back into. You can also try cleaning the electronic chip using isopropyl alcohol, or an electronic cleaner. The keyless entry system is more secure than traditional systems, since it generates the code used to unlock your vehicle after each use. This means that even if hackers are able to intercept the signal, they won't be able to gain access to your vehicle. Transponders Fiat employs a crypto-key transponder system which means the keys/transponders must be precoded with an encrypted code by the Body Control Module (BCM) before being “programmed” into the BCM. This is why an unwritten key is not able to be programmed because the BCM has to read & write the secret code to the transponder and then lock it. This is known as the process of cloning. These are new replacement outer case OE SIP22 transponder keys to your Fiat 500. They have a chip that opens the door and then starts the vehicle. They must be cut professionally by a locksmith to fit your ignition.