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How to Repair Fiat 500 Keys There are a variety of reasons why your Fiat 500 key FOB may cease to function. The small “watch” inside the key FOB can fail. This is an 3.3 Volt lithium, CR2032, you can purchase almost anywhere for under $3. If you require the replacement key for an older Fiat model, a locksmith is the one to contact. United Locksmith offers this service, and has all the parts and tools required. Keys On the outside a Fiat key might appear basic, however inside the casing is an electronic chip that connects to your car's immobiliser system. If this chip is not in place or programmed to the immobiliser system properly then your vehicle will not start. Luckily Car Keys Solutions are able to provide standard dealer technology and equipment to ensure your Fiat key is repaired, even the damage it sustained or is lost. Having a spare key is the best way to keep your car running in the event of a disaster or being locked out. TheKeyLab doesn't matter if you require a standard blank or remote fob, we can assist. We use the best quality blanks and provide rapid turnaround time to ensure you can get back on the road in a hurry. A few people choose to visit an Fiat Dealership when they require a replacement key, however we can provide a more affordable and faster service. You can also avoid the towing charges of bringing your vehicle from and to the dealership as we can bring it to you. This will also cut down on the time it takes to wait that can be up to 10 days. Remotes The remote controls for Fiat cars look like keys, however they have an IR (infrared) LED at the top. The LED sends a digital signal to the device, which opens or turns off the vehicle when pressed. The signal is interpreted by a microprocessor within the key which converts it to a code that is then transmitted to the device. This process is known as “keyless entry”. The more modern your car is, the more likely it is that you have an electronic keypad. The more modern your car is has, the more features you'll likely find in it. This includes locking and unlocking your car with just pushing 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. The system can tell whether the correct key is in place by examining a specific sequence of numbers in the transponder chip. The vehicle won't start if the chip is missing or isn't programmed to the right immobiliser system. A locksmith can repair the key fob in case it's damaged. They'll also have to program the new key to sync with the immobiliser of the car. It is important to provide your locksmith with information regarding your vehicle whenever they call. Keyless Entry If you have a keyless entry system on your Fiat 500, you can secure and unlock the car at any time with the push of a button. This technology is becoming more common in all types of cars which adds security and convenience to the use of your vehicle. If your remote keyless entry system stops working examine whether the battery for the coin in the fob has gone dead. If the battery has been drained, replace it with a fresh one that is of 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 has rubber seals to protect the chip from water, but prolonged exposure to soapy or salty water may cause the chip to fail. If your key fob is exposed to water, remove the battery and let it dry completely before putting it back into. You can also clean the electronic chip by using isopropyl, or electronic cleaner. The keyless entry system is more secure than conventional systems, as it generates the code that is used to unlock your car after every use. This means that hackers won't be able gain permanent access to your vehicle even when they intercept the signal. Transponders Fiat utilizes a crypto-key transponder system this means that keys and transponders have to be precoded by the Body Control Module before they are “programmed” by the BCM. A key that is blank and isn't programmed cannot be done because the BCM must read and write the secret key onto the transponder before locking it. This process is called cloning. These are brand new replacement outer cases to replace SIP22 Transponder keys for Fiat 500. They contain a chip that opens the doors and also starts the car. They will need to be professionally cut by a locksmith to fit your ignition.