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How to Repair Fiat 500 Keys There are a few reasons why your Fiat 500 key FOB may cease to function. The small “watch” inside the key FOB is often dead. This is an 3.3 volt lithium, CR2032, that you can buy just about anywhere for under $3. A locksmith is the best option to contact 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 might appear basic however inside the casing is an electronic chip that communicates with your car's immobiliser system. If this chip is not in place or programmed to the immobiliser system in a correct manner then your vehicle won't start. Luckily Car Keys Solutions are able to offer dealer-standard technology and equipment that will ensure your Fiat key can be repaired when it has been damaged or has been lost. A spare key will keep your vehicle running in case of an accident or lockout. It doesn't matter if you require a standard blank or remote fob, we can assist. We use only the highest-quality blanks we can find and provide a fast turnaround to ensure you get back on the road in a hurry. Some individuals will opt to visit an Fiat Dealership when they require a replacement key, but we are able to offer a lower cost and faster service. We can be there for you, saving you the cost of towing your vehicle to the dealer. This will also reduce the waiting time, which can be as long as 10 days at a dealer. Remotes The remote controls of Fiat vehicles are like keys, however they come with an IR LED (infrared). This LED transmits an electronic signal to the device, which opens or starts the vehicle when pressed. The signal is detected by a microprocessor in the key which converts it to a code that is then sent to the device. This process is known as “keyless entry”. The newer your vehicle is, the more likely you are to have a keyless entry feature. The more modern your vehicle and the more features you'll likely have. This includes locking and unlocking your car at the one touch and opening the doors with out touching the handle, and so much more. The key fob comes with an integrated circuit chip that communicates with the immobiliser system in the car. The system will determine whether the key is genuine by examining a specific sequence of the transponder. The vehicle will not start when the chip isn't present or when it's not programmed with the right immobiliser system. A locksmith can replace the key fob in case it is damaged. They'll also have to program the new key to be synced with the car's immobiliser system. This is an essential part of the procedure, and you should be prepared to give information about your vehicle to the locksmith when they call you. Keyless Entry With a keyless entry feature on your Fiat 500 you can lock or unlock your car at the touch of the button. This technology is becoming more prevalent in vehicles of all types and ages and can add convenience and security to your car's use. Verify that your remote keyless entry system isn't working. The battery that powers the coin inside the fob may be dead. Replace the battery with one that has the same voltage size, type and size as the original if it's depleted. It is also important to ensure that the battery's contacts are free of dust or corrosion. The rubber seals on the key fob guard the chip from water. However prolonged exposure to salty or soapy water can 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 by using isopropyl or an electronic cleaner. Although fiat 500 key fob The Keylab may think that keyless entry isn't as secure, the system is actually more secure than conventional systems due to the code that unlocks your car is rolled away after every use. This means that even if hackers do intercept the signal and attempt to access your car, they won't be able to gain access to your car. Transponders Fiat uses a crypto key transponder system. This means that the keys/transponders have to be encoded with an encrypted code by the Body Control Module (BCM) before being “programmed” into the BCM. This is the reason why an unwritten key is not able to be programmed as the BCM must read and write it's secret key to the transponder before locking it. This process is referred to as the cloning. These are brand new replacement outer case OE SIP22 transponder keys that fit your Fiat 500. They come with a chip that opens the door and begins the vehicle. Locksmiths must cut them to fit the ignition.