How to Repair Fiat 500 Keys There are several reasons why your Fiat 500 key fob may cease to function. The small "watch" inside the key FOB often dies. This is a 3.3 voltage lithium, CR2032, which you can buy just about anywhere for under $3. A locksmith is the ideal source to call if you require a new car key for an old Fiat model. United Locksmith offers this service and comes with all the tools and parts required. Keys Fiat keys may appear to be simple, but inside is an electronic chip that communicates with the immobiliser system of your car. If this chip is not present or programmed to the immobiliser system properly your car won't start. https://www.thekeylab.co.uk/fiat-car-keys/ can offer you dealer-grade equipment and technology to repair your Fiat key, even if the key has been damaged or lost. A spare key is the best method to keep your car running in the event of a crisis or being locked out. Whether you need a standard blank or a remote fob, we can assist. We use only the highest-quality blanks we can find and provide a fast turnaround to ensure you are back on the road as quickly as possible. Some people prefer to visit a Fiat Dealership in order to obtain an updated key. We can provide the fastest and most affordable service. You can also avoid the towing costs of getting your car from and to the dealership since we can bring it to you. This can also decrease the waiting time which can be anywhere from 5 to 10 days. Remotes Remote controls for Fiat vehicles are similar to the keys, but they have an IR (infrared) LED on the other end. This LED transmits an IR signal to the device which opens or turns off the car when the button is pressed. The signal is picked up by a microprocessor in the key, which transforms it into a number that is then sent to the device. This method is referred to as "keyless entry". The more recent your vehicle is and the more likely it is to have a keyless entry feature. 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 a push of a button, opening the doors without touching the handle, and so much more. The key fob is equipped with an integrated circuit chip which communicates with the immobiliser system of the car. The system will determine whether the correct key is present by examining a specific sequence of digits within the transponder chip. The vehicle will not start in the event of a chip being missing or in the event that it is not programmed to the right immobiliser system. A locksmith can replace the key fob if it is damaged. The locksmith will also need to program the new key so that it can sync up with the immobiliser of the car. This is a crucial part of the procedure, and you must be prepared to provide details about your car to your locksmith when they call. Keyless Entry If you have a keyless entry system in your Fiat 500, you can lock and unlock the vehicle from anywhere with a push of a button. This technology is becoming more popular in cars of all types and ages and can add security and convenience to your vehicle's use. Verify that your remote keyless entry system is not working. The battery inside the fob may be dead. If the battery is depleted, replace it with a fresh one with the same voltage, size, and type as the original. Also, ensure that the battery's contacts are free of dust or corrosion. 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 in. You can also clean the electronic chip using isopropyl alcohol, or an electronic cleaner. The keyless entry system is more secure than traditional systems because it generates the code that is used to unlock your vehicle after each use. This means that even if hackers do intercept the signal and attempt to access your car, they won't be able to gain access to your car. Transponders Fiat utilizes a crypto key transponder, which means that keys/transponders have to be precoded with an encrypted code by the Body Control Module (BCM) before being "programmed" into the BCM. This is the reason why an unwritten key is not able to be programmed as the BCM has to read & write the secret code to the transponder and then lock it. This is referred to as the process of cloning. These are new replacement outer case OE SIP22 transponder key for your fiat 500. They contain a chip that unlocks the door and opens the vehicle. Locksmiths will need to cut them to fit in your ignition.