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How to Repair Fiat 500 Keys There are a myriad of reasons your Fiat 500 key fob may stop working. The tiny “watch” inside the key FOB often dies. It's a 3.3-volt lithium CR2032 and you can purchase it anywhere for less than $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 offers all the tools and parts needed. Keys On the outside, a Fiat key might appear basic but inside the case is an electronic chip that communicates with your car's immobiliser system. If the chip is not present, or is not properly programmed to the immobiliser, your vehicle will not be able to start. Car Keys Solutions can offer you the latest technology and equipment from dealers to repair your Fiat key, regardless of whether the key is damaged or lost. The possession of a spare key is the best method to keep your car running in the event of a catastrophe or being locked out. We can supply you with a standard blank key or a remote fob. We use only the highest-quality blanks that are available and offer a fast turnaround to ensure you can get back on the road quickly. Some customers prefer to visit an Fiat Dealership to purchase new keys. We can provide the fastest and most affordable service. We can also come to you and save you the expense of towing your car to the dealer. replacement fiat key can also reduce the time it takes to wait that can be up to 10 days. Remotes The remote controls for Fiat cars look like the keys themselves, except they feature an IR (infrared) LED on the top. This LED sends signals to the device which allows the car to open or stop when the button is pressed. The signal is received by a microprocessor located in the key that converts it to a code that is then sent to the device. This method is referred to as “keyless entry”. The more recent your vehicle is, the more likely you will have keysless entry. The more recent your car has, the more features you'll probably have with it. This includes everything from locking and unlocking the car with a button press, to opening the doors without having to actually hold the door handle and many more. The key fob is outfitted with an integrated circuit chip that communicates with the immobiliser system of the car. The system is able to determine whether the correct key is in place by examining a specific sequence of digits within the transponder chip. If the chip is not present, or has not been programmed with the correct immobiliser system, the vehicle will not start. When the key fob is damaged, a locksmith may create a new one. They'll also have to program the replacement key to connect with the immobiliser system of your car. It is important to provide your locksmith details about your car when they call. Keyless Entry If you have a keyless entry system in your Fiat 500, you can lock and unlock your car from anywhere with a push of a button. This technology is becoming more widespread in vehicles of all kinds and ages and can add convenience and security to your car's use. Verify that your remote keyless entry system is not working. The battery that powers the coin inside the fob could be dead. Replace the battery with one that has the same voltage size, type and size as the original one if it has been drained. It is also important to ensure that the battery's contact points are free of corrosion or dust. The rubber seals on the key fob are designed to protect the electronic chip from water. However long-term exposure to soapy water or salty water can cause the chip to fail. If your key fob has been exposed to water, you must remove the battery and allow it to dry completely before putting it back into. You can also clean the electronic chip with isopropyl ethanol or electronic cleaner. Keyless entry systems are more secure than traditional systems, as it generates the code that is used to unlock your car after each use. This means that hackers won't be able to gain access to your vehicle, even if they are able to intercept the signal. Transponders Fiat utilizes a crypto key transponder system which means the keys/transponders have to be precoded with a secret code generated by the Body Control Module (BCM) before being “programmed” into the BCM. This is why an unwritten key cannot be programmed as the BCM must read and write the secret key to the transponder & lock it. This process is referred to as”cloning. These are brand new replacement outer case OE SIP22 transponder keys that fit your Fiat 500. They have a chip inside that allows you to open the doors and start the car. Locksmiths will have to cut the chip to fit your ignition.