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How to Repair Fiat 500 Keys There are several reasons why your Fiat 500 key FOB may stop working. The tiny “watch” inside the key FOB can fail. It's a 3.3-volt lithium CR2032 and you can find it anywhere for less than $3. When you need keys to replace an older Fiat model locksmith is the one to contact. United Locksmith offers this service and has all the parts and tools needed. Keys On the outside a Fiat key may appear to be basic however inside the case is an electronic chip that connects to your car's immobiliser system. If the chip isn't present, or is not properly programmed to the immobiliser, your car won't be able start. Fortunately Car Keys Solutions are able to provide standard dealer technology and equipment to ensure your Fiat key is repaired, even in the event that it has suffered damage or is lost. A spare key can keep your vehicle operating in the event of an accident or lockout. We can provide you with a standard blank key or remote fob. We only use the highest quality blanks and offer a quick turnaround time so that you can be back to driving in a short time. Some customers prefer to visit an Fiat Dealership to purchase an updated key. We can provide the fastest and most affordable service. We can also come to your location and save you the expense of towing your car to the dealer. This can also cut out the waiting time which can be as long as 10 days at a dealer. Remotes The remote controls on Fiat cars look like the keys, but they feature an IR (infrared) LED at the bottom. The LED transmits a signal to the device that allows the car to open or stop when you press. fiat doblo key fob replacement TheKeyLab is picked up by a microprocessor located in the key, which converts it into a code that is then sent to the device. This method is referred to as “keyless entry”. The more modern your car is, the more likely you'll have keysless entry. The more advanced your car is, the more features it will come with. This includes everything from locking and unlocking your car with a button press to opening the doors without having to reach the door handle and more. The key fob is outfitted with an integrated circuit chip which communicates with the immobiliser system of the car. The system can tell whether the correct key is in place by examining a specific sequence of digits within the transponder chip. If the chip is not there, or if it is not programmed to the correct immobiliser, then the vehicle will not start. If the key fob is damaged, a locksmith is able to create a new one. They'll also need to program the replacement key to sync with the immobiliser of the car. It is recommended to provide your locksmith with information about your car when they call. Keyless Entry If you have keys-less entry on your Fiat 500, you can lock and unlock the car from any location with the click of the button. This is a growing feature in all types of cars and provides convenience and security to the operation of your car. If your remote keyless entry system ceases to function Check to see whether the battery inside the fob has gone dead. If the battery is empty, replace it with a fresh one that is the same voltage, size and type as the original. You should also ensure that the contacts of the battery are free of corrosion or dust. The key fob is fitted with rubber seals that protect the electronic chip inside from water, but prolonged exposure to soapy or salty water could cause the chip to fail. If your key fob has been exposed to water, you must remove it and allow the battery to dry completely before replacing it. You can also try cleaning the electronic chip using isopropyl alcohol, or an electronic cleaner. Keyless entry systems are more secure than the traditional systems because it rolls up the code used to unlock your car after each use. This means that even if hackers attempt to intercept the signal and attempt to access your car, they won't be able to gain permanent access to your vehicle. Transponders Fiat uses a crypto keys transponder system, which means that the keys/transponders have to be precoded with a secret code by the Body Control Module (BCM) before being “programmed” into the BCM. A key that is blank and has not been programmed can't be programmed since the BCM must read and write the secret key to the transponder before locking it. This is referred to as”cloning. These are brand new replacement outer case SIP22 transponder key for your Fiat 500. They come with a chip that opens the doors and starts the car. They must be cut professionally by a locksmith in order to fit your ignition.