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How to Repair Fiat 500 Keys There are a variety of reasons why your Fiat 500 key fob may stop working. The small “watch” inside the key FOB will often fail. This is an 3.3 voltage lithium, CR2032, which is available anyplace for less than $3. A locksmith is the best source to call if you require a replacement car key for a classic Fiat model. United Locksmith offers this service and comes with all the tools and parts needed. Keys Fiat keys may appear simple however inside is a chip that is communicating with the immobiliser system of your car. If fiat doblo key programming thekeylab.co.uk isn't present, or is not programmed correctly to the immobiliser, your car won't be able start. Car Keys Solutions can offer you standard equipment and technology from dealers to repair your Fiat key, even if the key has been damaged or lost. A spare key is the most efficient way to keep your car running in the event of a crisis or being locked out. We can supply you with a standard blank key or a remote fob. We use only the highest-quality blanks available and offer an immediate turnaround time so that you can get back on the road quickly. Some individuals will opt to go to a Fiat Dealership when they require a new ignition key, but we can offer a lower cost and faster service. We can also come to you without the expense of towing your vehicle to the dealer. This will also cut down on the wait time, which is usually up to 10 days. Remotes The remote controls of Fiat vehicles are like keys, however they feature an IR LED (infrared). This LED sends an electronic signal to the device, which opens or starts the vehicle when it is pressed. The microprocessor inside a key converts the signal into a code, which is then sent to the device. This is also known as “keyless entry”. The more recent your vehicle is, the more likely you will have a keyless system. The more modern your vehicle, the more features you'll likely have. This includes locking and unlocking your car with the pushing a button, opening the doors without touching the handle, and much more. The key fob is equipped with an integrated circuit chip which communicates with the immobiliser system in the car. The system is able to determine if the correct key is in place by observing a certain sequence of digits within the transponder chip. If the chip is not present, or if it is not programmed to the correct immobiliser, then the vehicle will not start. A locksmith can replace the key fob in case it's damaged. They will also have to program the replacement key to connect with the vehicle's immobiliser. It is recommended to provide your locksmith details about your vehicle when they call. Keyless Entry If you have an entry system that is keyless on your Fiat 500, you can lock and unlock your car from anywhere with a push of one button. This technology is becoming more popular in cars of all kinds and ages and adds security and convenience to your car's use. If your remote keyless entry system isn't working, check to see whether the battery inside the fob has died. Replace the battery by using a newer one with the same voltage size, type, and size as the original if it is drained. It is also important to ensure that the contacts of the battery are free of dust or corrosion. The key fob's rubber seals that shield the electronic chip from water, however, prolonged exposure to salty or soapy water could cause the chip to fail. If your key fob has been exposed to water, take it out and let the battery dry completely before replacing it. You can also clean the electronic component using isopropyl or an electronic cleaner. Although some may think 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 every use. This means that even if hackers intercept the signal and attempt to access your car, they won't be able to gain permanent access to your vehicle. Transponders Fiat employs a crypto-key transponder system, which means that the keys or transponders must be precoded with an encrypted code by the Body Control Module (BCM) before being “programmed” into the BCM. A blank key that has not been programmed can't be programmed since the BCM must read and write the secret code onto the transponder before locking it. This is referred to as cloning. These are brand new replacement outer cases that replace the SIP22 Transponder keys for Fiat 500. They contain a chip that opens the door and starts the vehicle. They will need to be cut professionally by a locksmith to match your ignition.