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How to Repair Fiat 500 Keys There are many reasons why your Fiat 500 key fob may stop working. One of the most frequent is the small “watch” battery that's inside it that fails. This is an 3.3 Volt lithium, CR2032, which you can buy just about anyplace for less than $3. A locksmith is the ideal source to call if you require a new key for your car for a classic Fiat model. United Locksmith offers this service, and has all the tools and parts required. Keys On the outside, a Fiat key may seem basic but inside the casing is an electronic chip that connects to your car's immobiliser system. If this chip is not in place or programmed to the immobiliser system correctly then your vehicle will not start. Car Keys Solutions can offer you standard equipment and technology from dealers to repair your Fiat key, regardless of whether the key is damaged or lost. A spare key will keep your vehicle running in the event of an accident or lockout. We can supply you with a standard blank key or a remote fob. We use the best quality blanks and provide an immediate turnaround time so that you are back on the road quickly. Many people decide to go to a Fiat Dealership in order to obtain a new key. We can offer the fastest and most affordable service. fiat panda key fob replacement can also avoid the towing costs of getting your car to and from the dealership as we can bring it to you. This will also cut down on the wait time which can be anywhere from 5 to 10 days. Remotes The remote controls on Fiat cars look like the keys, but they feature an IR (infrared) LED at the bottom. The LED transmits a signal to the device which can open or start the car when you press. The microprocessor inside a key converts this signal into a code, which is then transmitted to the device. This is also known as “keyless entry”. The more recent your car is, and the more likely you are to have keysless entry. The newer your vehicle is and the more features you'll probably have with it. This includes everything from locking and unlocking the car using a button to unlocking the doors without having to actually reach the door handle and much more. The key fob comes with an integrated circuit chip that communicates with the vehicle's immobiliser system. The system is able to determine whether the key is genuine by examining a specific sequence in the transponder. The vehicle won't start in the event that the chip is not present or if it's not programmed to the correct immobiliser system. When the key fob is damaged, a locksmith may make a replacement. They'll also need to program the new key to be synced with the car's immobiliser system. It is important to provide your locksmith details about your vehicle when they call. Keyless Entry With a keyless entry system on your Fiat 500 you can lock or unlock the car by pressing the button. This is a growing feature in all types of cars that adds convenience and security to the operation of your vehicle. If your remote keyless entry system isn't working Check to see whether the battery in the fob has died. If the battery has been drained, replace it with a fresh one that is the same voltage, size and type as the original. It is also important to ensure that the battery contacts are clean and free from dust or corrosion. The key fob has rubber seals that protect the electronic chip from water but prolonged exposure to salty or soapy water could cause the chip to fail. If your key fob has been exposed to water, take it off and allow the battery to dry completely before replacing it. You can also clean the electronic chip using isopropyl alcohol, or an electronic cleaner. While some people might believe that keyless entry is less secure, the system is actually more secure than traditional systems due to the fact that the code used to unlock your car is rolled up after each use. This means that even if hackers do intercept the signal and attempt to access your car, they won't be able to gain permanent access to your vehicle. Transponders Fiat uses a crypto-key transponder system which means that keys/transponders need to be precoded by the Body Control Module before they are “programmed” by the BCM. This is why a blank unwritten key cannot be programmed because the BCM has to read & write its secret key to the transponder and then lock it. This is known as the process of cloning. These are brand new replacement outer case SIP22 transponder keys for your Fiat 500. They contain a chip that opens the door and begins the vehicle. They must be professionally cut by a locksmith in order to fit your ignition.