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How to Repair Fiat 500 Keys There are a variety of reasons why your Fiat 500 key FOB may cease to function. One of the most common is when the small “watch” battery that's inside dies. It's a 3.3-volt lithium CR2032, and you can get it anywhere for less than $3. When you need a new key for an older Fiat model locksmith is the right person to call. United Locksmith offers this service and has all the tools and spare parts required. Keys On the outside, a Fiat key might appear basic, however inside the casing is an electronic chip that connects to your car's immobiliser system. If this chip is not present or programmed to the immobiliser system in a correct manner the car will not start. Fortunately Car Keys Solutions are able to provide dealer-standard technology and equipment that will ensure your Fiat key can be repaired when it has been damaged or is lost. A spare key will keep your vehicle in case of an accident or lockout. We can provide you with a standard key or remote fob. We use the best quality blanks that are available and offer quick turnaround so that you get back on the road as quickly as possible. Some people prefer to go to a Fiat Dealership when they require a new key, however we can provide a less expensive and quicker service. We can also come to your location and save you the expense of towing your vehicle to the dealer. This can reduce the waiting time, which is usually up to 10 days. Remotes The remote controls on Fiat vehicles are similar to the keys themselves, with the exception that they have an IR (infrared) LED on the end. The LED sends a signal to the device which allows the car to open or stop when the button is pressed. The signal is interpreted by a microprocessor located in the key, which converts it into a number that is then sent to the device. This is referred to as “keyless entry”. The more recent your vehicle is, and the more likely you'll have a keyless system. The more modern your vehicle equipped with, the more features it will probably have with it. This includes everything from locking and unlocking your car using a button to unlocking the doors without having to reach the door handle and much more. The key fob is fitted with an integrated circuit chip which communicates with the immobiliser system of the car. The system determines whether the key is in fact correct by examining a specific sequence of the transponder. The vehicle will not start if the chip is missing or when it's not programmed with the right immobiliser system. If the key fob is damaged, a locksmith can make a replacement. The locksmith will also need to program the new key so that it can sync with the immobiliser system of the vehicle. This is an essential part of the procedure, and you should be prepared to provide details about your car to your locksmith if they contact you. Keyless Entry With a keyless entry feature on your Fiat 500 you can lock or unlock the car by pressing an button. This technology is becoming more common in all kinds of vehicles that adds security and convenience to the operation of your car. Examine your remote keyless entry system is not working. The battery inside the fob may be dead. Replace the battery with one with the same voltage size, type, and size as the original if it's drained. fiat keys is also important to ensure that the battery's contact points are clean and free of corrosion or dust. The key fob comes with rubber seals that shield the electronic chip inside from water, however, prolonged exposure to soapy or salty water could cause the chip to fail. If your key fob has been exposed to water, remove the battery and let it dry completely before putting it back in. You can also clean the electronic chip with isopropyl alcohol, or an electronic cleaner. Keyless entry systems are more secure than the 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 that they receive, they will not be able to gain access to your vehicle. Transponders Fiat uses a crypto key transponder system which means the keys or transponders must be encoded with a secret code by the Body Control Module (BCM) before being “programmed” into the BCM. A key that is blank and has not been programmed cannot be programmed because the BCM must read and write the secret key to the transponder before locking it. This is known as the process of cloning. These are brand new replacement outer cases to replace SIP22 Transponder keys for Fiat 500. They come with a chip that opens the doors and starts the car. They will need to be cut professionally by a locksmith to fit your ignition.