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How to Repair Fiat 500 Keys There are many reasons why your Fiat 500 key FOB may not function properly. One of the most frequent is that the tiny “watch” battery inside the device dies. It's an 3.3-volt lithium CR2032, and you can get it anywhere for less than $3. If you require a new key for an older Fiat model locksmith is the one to contact. United Locksmith offers this service and has all the tools and parts required. Keys Fiat keys may appear simple however inside is an electronic chip that communicates with the immobiliser system of your vehicle. If this chip is not in place or programmed to the immobiliser system in a correct manner then your vehicle won't start. Car Keys Solutions can offer you standard equipment and technology from dealers to repair your Fiat key, even if the key is damaged or lost. A spare key will keep your vehicle in case of an accident or lockout. If you require an ordinary blank or a remote fob we can help. We use the best quality blanks available and offer rapid turnaround time to ensure you are back on the road quickly. Some people prefer to visit a Fiat Dealership to get an updated key. We can provide the fastest and most affordable service. You will also save on the cost of towing your car from and to the dealership since we can bring it to you. This can also decrease the wait time, which is usually up to 10 days. Remotes The remote controls of Fiat vehicles are similar to keys, but they are equipped with an IR LED (infrared). This LED transmits an electronic signal to the device which opens or starts the vehicle when the button is pressed. The microprocessor in the key transforms the signal into a code which is then sent to device. This is also known as “keyless entry”. The more recent your car is, the more likely you'll have the keyless system. The newer your vehicle is and the more features you'll likely get with it. This includes everything from locking and unlocking the car using a button and opening the doors without having to touch the door handle, and many more. The key fob is equipped with an integrated circuit chip that communicates with the vehicle's immobiliser system. The system is able to determine if the correct key is present by observing a certain sequence of digits inside 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 repair the key fob in case it's damaged. The locksmith will also need to program the new key to sync up with the immobiliser of the vehicle. You must be prepared to give your locksmith information regarding your vehicle whenever they call. Keyless Entry If you have a keyless entry system on your Fiat 500, you can lock and unlock your car from any location with the click of a button. This technology is becoming increasingly popular in all kinds of vehicles, and adds security and convenience to the usage of your vehicle. Verify that try these out isn't working. The coin battery inside the fob could be dead. Replace the battery with a newer one that has the same voltage size, type, and size as the one that came with it if it's drained. It is also important to ensure that the battery's contacts are free of corrosion or dust. The rubber seals on the key fob protect 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 off and allow the battery to dry completely before replacing it. You can also try cleaning the electronic chip with isopropyl ethanol or electronic cleaner. The keyless entry system is more secure than conventional systems, because it rolls up the code that is used to unlock your vehicle after every use. This means that even if hackers do intercept the signal, they won't be able to gain permanent access to your car. Transponders Fiat utilizes a crypto-key transponder system this means that keys/transponders need to be precoded by the Body Control Module before they are “programmed” within the BCM. This is why an unwritten key is not able to be programmed as the BCM must read and write the secret key to the transponder and then lock it. This is referred to as”cloning. These are new replacement outer cases that replace the SIP22 Transponder keys for Fiat 500. They contain a chip that unlocks the doors and opens the car. They will need to be cut professionally by a locksmith in order to fit your ignition.