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How to Repair Fiat 500 Keys There are a few reasons your Fiat 500 key FOB may cease to function. One of the most frequent is the tiny “watch” battery inside it that fails. This is a 3.3-volt lithium CR2032 and you can purchase it at a price of 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 parts and tools required. Keys On the outside a Fiat key may seem basic however, inside the casing is an electronic chip that communicates with your vehicle's immobiliser system. If spare fiat 500 key is not present, or is not programmed correctly to the immobiliser, your vehicle isn't able to start. Luckily, Car Keys Solutions are able to provide standard dealer technology and equipment to ensure your Fiat key is repaired, even if it has suffered damage or is lost. A spare key will keep your vehicle running in case of an accident or lockout. If you require an ordinary blank or a remote fob, we are able to assist. We use the highest quality blanks we can find and provide a fast turnaround to ensure you can get back on the road in a hurry. Some customers prefer to visit a Fiat Dealership to get a new key. We can offer an easier and less expensive service. You will also save on the towing costs of getting your vehicle to and from the dealership because we can deliver the key to you. This will also reduce the waiting period which can take up to 10 days for dealers. Remotes The remote controls of Fiat vehicles are like keys, however they have an IR LED (infrared). This LED transmits an electronic signal to the device, which allows the vehicle to open or start when the button is pressed. The microprocessor in the key transforms the signal into a code that is then transmitted to the device. This is also known as “keyless entry”. The more recent your vehicle is, and the more likely it is that you have the keyless system. The more modern your vehicle equipped with, the more features it will likely get with it. This includes locking and unlocking your car at the one touch and opening the doors with out touching the handle, and much more. The key fob is equipped 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 checking a certain sequence of the transponder. If the chip is not there, or if it has not been programmed with the correct immobiliser system, the vehicle will not begin. When the key fob is damaged, a locksmith can make a replacement. The locksmith will also have to program the new key to sync with the immobiliser of the vehicle. This is an essential part of the process, and you should be prepared to give information about your vehicle to the locksmith when they call. Keyless Entry If you have keys-less entry on your Fiat 500, you can secure and unlock the car at any time by pressing of a button. This technology is increasingly common across all cars which adds security and convenience to the use of your car. If your remote keyless entry system stops working, check to see if the coin battery in the fob has gone dead. If the battery is drained, replace it with a new one that has the same size, voltage and type as the original. It is also important to ensure that the contacts of the battery are free of dust or corrosion. The rubber seals on the key fob protect the electronic chip from water. However prolonged exposure to soapy water or salty water can cause the chip to fail. If your key fob has been exposed to water, remove and let the battery dry completely before replacing it. You can also clean the electronic chip using isopropyl or an electronic cleaner. While some people might believe that keyless entry isn't as secure, the system is actually more secure than other systems because the code used to unlock your car gets rolled up after each use. This means that even if hackers intercept the signal and attempt to access your car, they won't be able to gain access to your vehicle. Transponders Fiat employs a crypto-key transponder system. This means that the keys/transponders have to be encoded with a secret code that is generated by the Body Control Module (BCM) before being “programmed” into the BCM. This is the reason a blank unwritten key is not able to be programmed, because the BCM has to read & write the secret code to the transponder before locking it. This is known as”cloning. These are brand new replacement outer case OE SIP22 transponder key for your fiat 500. They contain a chip that opens the doors and starts the car. Locksmiths will need to cut them to fit your ignition.