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How to Repair Fiat 500 Keys There are a few reasons your Fiat 500 key FOB may not function properly. The tiny “watch” inside the key FOB can fail. This is an 3.3 Volt lithium, CR2032, which you can buy just about anyplace for less than $3. If you require a replacement key for an older Fiat model, a locksmith is the person to call. United Locksmith can provide this service and can provide the tools and spare parts needed. Keys Fiat keys may appear to be simple but inside is an electronic chip that communicates with the immobiliser system in your vehicle. If the chip is not present, or not programmed correctly to the immobiliser, your car won't be able start. Luckily, Car Keys Solutions are able to provide dealer-standard technology and equipment that will ensure your Fiat key can be repaired, even when it has been damaged or has been lost. A spare key can keep your vehicle running in case of an accident or lockout. If you require a standard blank or remote fob we can help. We use the best quality blanks we can find and provide an immediate turnaround time so that you are back on the road in a hurry. Some people choose to visit a Fiat Dealership in order to obtain new keys. We can offer a quicker and cheaper service. We can also come to you without the expense of towing your vehicle to the dealer. This will also cut down on the waiting time which can range from a few days to 10 days. Remotes Remote controls for Fiat vehicles are similar to keys, however they feature an IR (infrared) LED at the other end. The LED transmits a signal to the device which opens or starts the car when you press. The signal is detected by a microprocessor within the key, which transforms it into a number that is then transmitted to the device. This is referred to as “keyless entry”. The newer your vehicle is and the more likely you are to include a keyless entry system. The more modern your car is, the more features you'll likely have. This includes everything from locking and unlocking the car with a press of a button to 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 immobiliser system in the car. The system is able to determine whether the key is genuine by checking a specific sequence of the transponder. The vehicle will not start if the chip is missing or if it's not programmed to the correct immobiliser system. If the key fob has been damaged, a locksmith can create a new one. They'll also need to program the replacement key to sync with the immobiliser system of your car. This is a crucial part of the process, and you should be prepared to disclose information about your car to your locksmith when they call. Keyless Entry With the keyless entry option on your Fiat 500 you can lock or unlock the car with the touch of a button. This technology is becoming more widespread in cars of all ages and types as it provides convenience and security to the use of your vehicle. If your remote keyless entry system isn't working Check to see if the coin battery in the fob has died. If the battery is depleted replace it with a new one that is of the same voltage, size, and type as the original. Also, ensure that the battery's contacts are free of dust or corrosion. The key fob's rubber seals that protect the electronic chip inside from water, but prolonged exposure to salty or soapy water can cause the chip to fail. If your key fob is exposed to water, you must remove the battery and allow it to dry completely before putting it back in. You can also try cleaning the electronic chip with isopropyl alcohol or an electronic cleaner. While some people may believe that keyless entry is less secure, this system is actually more secure than traditional systems because the code that unlocks your vehicle is rolled back after each use. fiat 500 spare key means that hackers won't be able gain permanent access to the vehicle even when they intercept the signal. Transponders Fiat employs a crypto-key transponder system, which means that the keys or transponders must be precoded in the Body Control Module before they are “programmed” within the BCM. A key that is blank and has not been programmed can't be done because the BCM must read and write its secret key to the transponder before locking it. This is referred to as”cloning. These are new replacement outer case SIP22 transponder keys that fit your Fiat 500. They contain a chip that allows you to open the doors and start the car. They must be cut professionally by a locksmith in order to fit your ignition.