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How to Repair Fiat 500 Keys There are a variety of reasons why your Fiat 500 key fob may not function properly. The tiny “watch” inside the key FOB will often fail. It's an 3.3 volt lithium battery, CR2032, which is available anywhere for under $3. A locksmith is the ideal choice to call if require a new car key for the classic Fiat model. United Locksmith offers this service and comes with all the tools and parts needed. Keys On the outside, a Fiat key might appear basic, however inside the case is an electronic chip that communicates with your car's immobiliser system. If the chip isn't present, or not properly programmed to the immobiliser, your vehicle will not be able start. Luckily, Car Keys Solutions are able to provide standard dealer technology and equipment that will ensure your Fiat key can be repaired if it has suffered damage or has been lost. The possession of a spare key is the best way to keep your vehicle running in the event of a disaster or being locked out. We can provide you with a standard blank key or a remote fob. We only use the top blanks and offer a fast turnaround time so that you can be back to driving in a short time. Some people prefer to visit an Fiat Dealership when they need a new key, but we are able to provide a more affordable and faster service. Additionally, you will save the cost of towing your vehicle from and to the dealership as we are able to come to you. This can also cut down on the waiting time which is often up to 10 days at a dealer. Remotes The remote controls on Fiat vehicles are similar to keys, but they have an IR LED (infrared). This LED transmits a signal to the device which can open or start the car when you press. The microprocessor in a key converts this signal into a number that is then sent to device. This method is referred to as “keyless entry”. The more recent your vehicle is, the more likely it is that you have the keyless system. The more advanced your vehicle has, the more features it will come with. This includes everything from locking and unlocking your car using a button to unlocking the doors without having to hold the door handle and more. The key fob comes with an integrated circuit chip which communicates with the immobiliser system of the car. The system can determine if the correct key is present by looking for a particular sequence of digits inside the transponder chip. If the chip isn't present, or if it isn't programmed to the correct immobiliser system, the vehicle will not start. A locksmith can replace the key fob in case it is damaged. They will also have to program the new key to be synced with the vehicle's immobiliser. You should be prepared to provide your locksmith with information about your car when they call. Keyless Entry If you have a keyless entry system on your Fiat 500, you can lock and unlock the vehicle at any time by pressing of one button. This technology is becoming more widespread in cars of all types and ages as it provides security and convenience to the vehicle's usage. Examine your remote keyless entry system is not working. The battery in the fob could be depleted. Replace the battery with a fresher one with 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 shield the chip from water. However long-term exposure to soapy water or salty water may cause the chip to fail. If your key fob is exposed to water, take out the battery and let it dry completely before putting it back in. You can also clean the electronic chip using isopropyl ethanol or electronic cleaner. The keyless entry system is more secure than traditional systems, since it rolls up the code that is used to unlock your car after each use. This means that even if hackers do intercept the signal, they won't be able to gain access to your car. Transponders Fiat uses a crypto key transponder system this means that keys/transponders need to be precoded by the Body Control Module before they are “programmed” in the BCM. A key that is blank and has not been programmed cannot be programmed because the BCM must read and write the secret key into the transponder before locking it. This is referred to as cloning. Home Page are brand new replacement outer case OE SIP22 transponder keys that fit your Fiat 500. They feature a chip which opens the door and starts the vehicle. Locksmiths need to cut the chip to fit your ignition.