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How to Repair Fiat 500 Keys There are a myriad of reasons your Fiat 500 key fob may stop working. The small “watch” inside the key FOB can fail. It's a 3.3-volt lithium CR2032 You can buy it for less than $3. When you need the replacement key for an older Fiat model, a locksmith is the right person to call. United Locksmith offers this service and has all the parts and tools required. Keys On the outside, a Fiat key may appear simple however inside the case is an electronic chip that communicates with your vehicle's immobiliser system. If the chip is not present, or not programmed correctly to the immobiliser, your car will not be able start. Luckily, Car Keys Solutions are able to provide dealer-standard technology and equipment to ensure your Fiat key can be repaired when it has been damaged or is lost. A spare key will keep your vehicle running in case of an accident or lockout. We can supply you with a standard key or remote fob. We only use the best blanks and offer a quick turnaround time so that you can be back on the road in no time. Some people prefer to visit an Fiat Dealership to purchase new keys. We can offer the fastest and most affordable service. We can also come to your location without the expense of towing your vehicle to the dealer. This can also reduce the waiting time that can be up to 10 days. Remotes The remote controls on Fiat vehicles are like keys, however they have an IR LED (infrared). This LED sends a signal to the device which allows the car to open or stop when you press. The signal is detected by a microprocessor located in the key, which converts it into a code that is then transmitted to the device. fiat ducato key thekeylab.co.uk is known as “keyless entry”. The more recent your car is and the more likely it will be to have a keyless entry feature. The more modern your car is has, the more features you'll likely have. This includes everything from locking and unlocking the car with a button press to opening the doors without having to actually reach the door handle and much more. The key fob contains an integrated circuit chip that connects to the car's immobiliser system. The system is able to determine whether the correct key is present by observing a certain sequence of digits within the transponder chip. If the chip is not present, or has not been programmed to the correct immobiliser system then the vehicle will not begin. A locksmith can repair the key fob if it is damaged. The locksmith will also need to program the new key to sync with the immobiliser of the car. This is an important part of the procedure, and you must be prepared to disclose information regarding your vehicle to your locksmith if they contact you. Keyless Entry With a keyless entry on your Fiat 500 you can lock or unlock your car by pressing a button. This is a growing feature across all cars which adds security and convenience to the use of your vehicle. If your remote keyless entry system fails to work Check to see if the coin battery in the fob is dead. If the battery has been drained replace it with a fresh one that is the same size, voltage and type as the original. You should also ensure that the contacts of the battery are free of dust or corrosion. The rubber seals on the key fob protect 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 out and let the battery dry completely before replacing it. You can also clean the electronic chip using isopropyl alcohol 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 that unlocks your vehicle is rolled back after every use. This means that hackers will not have the ability to gain permanent access to the vehicle even when they intercept the signal. Transponders Fiat employs a crypto-key transponder system. This means that the keys/transponders must be precoded 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 since the BCM must read and write the secret code onto the transponder before locking it. This is known as the cloning. These are brand new replacement outer case SIP22 transponder keys for your Fiat 500. They contain a chip that opens the doors and also starts the car. They must be professionally cut by a locksmith in order to fit your ignition.