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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 tiny “watch” battery that's inside the device dies. This is a 3.3-volt lithium CR2032 and you can find it anywhere for less than $3. If you require keys to replace an older Fiat model locksmith is the right person to contact. United Locksmith can provide this service and has the tools and spare parts required. Keys On the outside a Fiat key may appear simple however inside the casing is a chip that connects to your car's immobiliser system. If the chip isn't present, or not properly programmed to the immobiliser, your vehicle won't be able start. Car Keys Solutions can offer you dealer-standard equipment and technology to repair your Fiat key, regardless of whether the key is damaged or lost. A spare key will keep your vehicle operating in the event of an accident or lockout. It doesn't matter if you require a standard blank or a remote fob, we are able to assist. We only use the best blanks and offer a fast turnaround so you can get back to driving in a short time. Some people choose to visit Fiat Dealerships to obtain a new key. We can provide an easier and less expensive service. You will also save on the cost of towing your vehicle from and to the dealership as we can bring it to you. This can also cut down on the waiting time, which can take up to 10 days at a dealer. Remotes The remote controls on Fiat vehicles are similar to keys, but they come with an IR LED (infrared). This LED transmits an electronic signal to the device which can open or shut down the vehicle when the button is pressed. The microprocessor inside the key converts the signal into a code, which is then sent to device. This is also known as “keyless entry”. The more recent your car is, and the more likely you'll have a keyless system. The more advanced your car, the more features it will come with. This includes everything from locking and unlocking the car using a button to unlocking the doors without having to touch the door handle, and much more. The key fob has an integrated circuit chip that communicates with the vehicle's immobiliser system. The system is able to determine whether the key is in fact correct by checking a certain sequence in the transponder. If the chip is not present, or if it has not been programmed to the correct immobiliser system then the vehicle will not start. A locksmith can repair the key fob in case it is 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 must be prepared to provide your locksmith's details about your vehicle 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 a button. This technology is becoming more common in cars of all types and ages and can add security and convenience to the vehicle's usage. If your remote keyless entry system ceases to function, check to see if the coin battery in the fob has died. If the battery is empty replace it with a fresh one that has the same voltage, size and type as the original. Also, ensure that the battery's contacts are free of corrosion or dust. The key fob comes with rubber seals to protect the chip inside from water, but prolonged exposure to soapy or salty water may cause the chip to fail. If your key fob is exposed to water, remove the battery and let it dry completely before putting it back in. You can also clean the electronic chip using isopropyl alcohol or electronic cleaner. While some people may believe that keyless entry isn't as secure, this system is actually more secure than traditional systems because the code that unlocks your vehicle is rolled back 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 employs a crypto-key transponder system. This means that the keys or transponders must be encoded with a secret code that is generated by the Body Control Module (BCM) before being “programmed” into the BCM. A blank key that isn't programmed cannot be programmed as the BCM must read and write the secret key into the transponder before locking it. This is known as cloning. These are brand new replacement outer cases that replace the SIP22 Transponder keys for Fiat 500. They come with a chip that allows you to open the doors and start the car. replacement key fiat 500 TheKeyLab must be cut professionally by a locksmith to fit your ignition.