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How to Repair Fiat 500 Keys There are a variety of reasons your Fiat 500 key FOB may not function properly. One of the most common is the tiny “watch” battery inside it that fails. This is a 3.3-volt lithium CR2032 and you can find it for less than $3. A locksmith is the ideal source to call if you require a new key for your car for an old Fiat model. United Locksmith offers this service, and has all the tools and parts required. Keys On the outside a Fiat key might appear basic but inside the casing is a chip that communicates with your car's immobiliser system. If this chip is not present or programmed to the immobiliser system correctly your car won't start. Fortunately Car Keys Solutions are able to offer standard technology and equipment that will ensure your Fiat key can be repaired the damage it sustained or has been lost. A spare key can keep your vehicle running in case of an accident or lockout. If you require an ordinary blank or a remote fob, we can help. We use only the highest-quality blanks available and offer quick turnaround so that you get back on the road in a hurry. Some people choose to visit Fiat Dealerships to obtain a new key. We can offer the fastest and most affordable service. We can also come to you, saving you the cost of towing your car to the dealer. This will also reduce the waiting time which can take up to 10 days at a dealer. Remotes The remote controls of Fiat vehicles are similar to keys, but they feature an IR LED (infrared). fiat ducato key sends an IR signal to the device that opens or turns off the car when it is pressed. The signal is received by a microprocessor within the key, which transforms it to a code that is then sent to the device. This is known as “keyless entry”. The more recent your car is and the more likely it is to have a keyless entry system. The more advanced your car has, the more features will have. This includes locking and unlocking your car with the a push of a button, opening the doors without touching the handle, and so much more. The key fob is equipped with an integrated circuit chip which communicates with the immobiliser system of the car. The system is able to determine if the correct key is present by looking for a particular sequence of digits in the transponder chip. If the chip is not there, or if it is not programmed to the correct immobiliser, the vehicle won't begin. A locksmith can replace the key fob in case it's damaged. The locksmith will also have to program the new key so that it can sync up with the immobiliser system of the car. You should be prepared to provide your locksmith's details about your car when they call. Keyless Entry If you have a keyless entry system in your Fiat 500, you can lock and unlock the car at any time by pressing of the button. This technology is becoming more popular in all cars of all ages and models and adds security and convenience to your car's use. If your remote keyless entry system isn't working look to see whether the battery inside the fob is dead. Replace the battery by using a newer one that has the same voltage size, type, and size as the one that came with it if it is drained. It is important to ensure that the battery's contacts are clean and free from corrosion or dust. The key fob has rubber seals that shield the electronic chip from water however, prolonged exposure to salty or soapy water could cause the chip to fail. If your key fob has been exposed to water, you must remove the battery and allow it to dry completely before putting it back in. You can also clean the electronic chip using isopropyl, or electronic cleaner. Keyless entry systems are more secure than traditional systems because it rolls up the code that is used to unlock your vehicle after each use. This means that even if hackers intercept the signal that they receive, they will not be able to gain access to your car. Transponders Fiat uses a crypto key transponder system which means that keys/transponders must be precoded by the Body Control Module before they are “programmed” within the BCM. This is the reason a blank unwritten key cannot be programmed as the BCM has to read & write the secret code to the transponder, then lock it. This is known as”cloning. These are new replacement outer cases for OE SIP22 Transponder keys for Fiat 500. They come with a chip that unlocks the door and opens the vehicle. Locksmiths need to cut them to fit your ignition.