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How to Repair Fiat 500 Keys There are a myriad of reasons your Fiat 500 key fob may cease to function. The small “watch” inside the key FOB often dies. This is a 3.3 volt lithium, CR2032, that you can buy just about anyplace for less than $3. A locksmith is the best option to contact if you require a new key for your car for an old Fiat model. United Locksmith offers this service and comes with all the tools and parts needed. Keys Fiat keys might appear simple however inside is a chip that is communicating with the immobiliser system in your vehicle. If the chip isn't present, or not programmed correctly to the immobiliser, your vehicle 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 in the event that it has suffered damage or is lost. A spare key is the best way to keep your car running in the event of a catastrophe or being locked out. Whether you need a standard blank or a remote fob we can help. We only use the top blanks and provide a quick turnaround so you can get back to driving quickly. Some people choose to visit a Fiat Dealership in order to obtain new keys. We can offer the service faster and more affordable. We can even come to you, saving you the cost of towing your car to the dealer. This will also cut down on the waiting time which can be anywhere from 5 to 10 days. Remotes The remote controls of Fiat vehicles are like keys, however they are equipped with an IR LED (infrared). This LED sends an electronic signal to the device, which opens or turns off the vehicle when it is pressed. The microprocessor inside the key transforms the signal into a code, which is then sent to device. This is also known as “keyless entry”. The more modern your vehicle and the more likely you are to feature a keyless entry system. The more advanced your car is, the more features it will have. This includes locking and unlocking your car with a a push of a button and opening the doors with out touching the handle, and so much more. The key fob is outfitted with an integrated circuit chip which communicates with the immobiliser system of the car. fiat key fob replacement is able to determine whether the key is in fact correct by checking a specific sequence of the transponder. If the chip isn't present, or has not been programmed to the correct immobiliser system the vehicle won't start. If the key fob is damaged, a locksmith may create a new one. The locksmith will also have to program the new key to link up with the immobiliser system of the car. It is important to provide your locksmith's details about your vehicle when they call. Keyless Entry With a keyless entry feature on your Fiat 500 you can lock or unlock the vehicle at the touch of a button. This technology is becoming more widespread in vehicles of all kinds and ages as it provides convenience and safety to your car's use. If your remote keyless entry system ceases to function, check to see whether the battery inside the fob has died. Replace the battery with a fresher one with the same voltage, type, and size as the one that came with it if it's drained. You should also make sure that the battery's contacts are free of dust or corrosion. The rubber seals on the key fob shield the electronic chip from water. However, prolonged exposure to soapy water or salty water can cause the chip to fail. If your key fob is exposed to water, remove the battery and allow it to dry completely before putting it back in. You can also clean the electronic chip with isopropyl and electronic cleaner. While some people may believe that keyless entry isn't as secure, the system is actually more secure than traditional systems because the code that unlocks your car gets rolled up after each use. This means that hackers won't be able to gain permanent access to your vehicle even if they intercept the signal. Transponders Fiat uses a crypto keys transponder, which means that keys/transponders have to be encoded with a secret code by the Body Control Module (BCM) before being “programmed” into the BCM. This is why a blank unwritten key is not able to be programmed, because the BCM has to read & write it's secret key to the transponder before locking it. This is known as”cloning. These are new replacement outer cases to replace SIP22 Transponder keys for Fiat 500. They come with a chip that opens the door and then starts the vehicle. Locksmiths will have to cut them to fit your ignition.