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How to Repair Fiat 500 Keys There are several reasons why your Fiat 500 key FOB may cease to function. The tiny “watch” inside the key FOB will often fail. This is a 3.3 Volt lithium, CR2032, can be purchased almost anyplace for less than $3. A locksmith is the best option to contact if you require a new car key for an old Fiat model. United Locksmith can provide this service and has the tools and replacement parts required. 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 is not present, or not programmed correctly to the immobiliser, your vehicle will not be able to start. Luckily Car Keys Solutions are able to provide standard dealer technology and equipment to ensure your Fiat key can be repaired, even the damage it sustained or has been lost. Having a spare key is the best method to keep your car running in the event of an emergency or being locked out. We can supply you with a standard blank key or a remote fob. fiat key The Keylab use only the highest-quality blanks available and offer rapid turnaround time to ensure you get back on the road as quickly as possible. Some people will choose to visit a Fiat Dealership when they need a new key, but we are able to provide a more affordable and quicker service. You will also save on the cost of towing your car from and to the dealership because we can deliver the key to you. This will also cut down on the wait time which can be anywhere from 5 to 10 days. Remotes The remote controls of Fiat vehicles are similar to keys, but they have an IR LED (infrared). This LED sends an indication to the device which can open or start the car when pressed. The microprocessor inside a key converts the signal into a code, which is then transmitted to the device. This process is known as “keyless entry”. The more recent your vehicle is, and the more likely it is that you have the keyless system. The more advanced your vehicle has, the more features it will have. This includes everything from locking and unlocking your car using a button to opening the doors without having to actually touch the door handle and many more. The key fob has an integrated circuit chip that communicates with the vehicle's immobiliser system. The system can tell if the correct key is present by observing a certain sequence of digits within the transponder chip. If the chip is not present, or is not programmed to the correct immobiliser system the vehicle won't begin. If the key fob is damaged, a locksmith can create a replacement. They will also have to program the replacement key to sync with the car's immobiliser system. This is a crucial aspect of the procedure, and you must be prepared to disclose information about your vehicle to the locksmith when they call you. Keyless Entry With a keyless entry feature on your Fiat 500 you can lock or unlock your car with just a touch of an button. This technology is becoming more prevalent in all cars of all types and ages, and it adds convenience and security to the vehicle's usage. If your remote keyless entry system stops working Check to see whether the battery inside the fob has gone dead. Replace the battery with a fresher one with the same voltage size, type, and size as the original if it's drained. Also, make sure that the battery's contact points are free of dust or corrosion. The rubber seals on the key fob protect the chip from water. However prolonged exposure to soapy water or salty water could cause the chip to fail. If your key fob has been exposed to water, remove and let the battery dry completely before replacing it. You can also clean the electronic chip with isopropyl alcohol or an electronic cleaner. While some people might believe that keyless entry is less secure, the system is actually more secure than traditional systems due to the fact that the code that unlocks your car is rolled away after each use. This means that hackers will not have the ability to gain permanent access to your vehicle, even if they are able to intercept the signal. Transponders Fiat employs a crypto-key transponder system, which means that the keys and transponders have to be precoded with a secret code by the Body Control Module (BCM) before being “programmed” into the BCM. This is why an unwritten key is not able to be programmed, as the BCM must read and write it's secret key to the transponder and then lock it. This is known as the cloning. These are brand new replacement outer cases for OE SIP22 Transponder keys for Fiat 500. They feature a chip which unlocks the door and opens the vehicle. They must be professionally cut by a locksmith in order to fit your ignition.