How to Repair Fiat 500 Keys There are a variety of reasons your Fiat 500 key FOB may not function properly. The tiny "watch" inside the key FOB will often fail. It's an 3.3 voltage lithium battery, CR2032, which is available anyplace for less than $3. When you need keys to replace an older Fiat model locksmith is the right person to call. United Locksmith can provide this service and has the tools and replacement parts needed. 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 present or programmed to the immobiliser system in a correct manner then your vehicle won't start. Car Keys Solutions can offer you standard equipment and technology from dealers to repair your Fiat key, regardless of whether the key has been damaged or lost. Having a spare key is the best way to keep your vehicle running in the event of a disaster or being locked out. We can supply you with a standard key or a remote fob. We only use the top blanks, and we offer a rapid turnaround time so that you can be back to driving quickly. Some people prefer to visit a Fiat Dealership to get a new key. We can offer a quicker and cheaper service. We can be there for you, saving you the cost of towing your vehicle to the dealer. This can also cut down on the waiting time which can be as long as 10 days at a dealer. Remotes The remote controls on Fiat vehicles are like keys, however they come with an IR LED (infrared). https://www.thekeylab.co.uk/fiat-car-keys/ transmits an electronic signal to the device, which opens or turns off the vehicle when the button is pressed. The signal is detected by a microprocessor located in the key that converts it into a code which is then transmitted to the device. This is known as "keyless entry". The more recent your car is, and the more likely it is that you have keysless entry. The more advanced your car has, the more features will come with. This includes locking and unlocking your car at the pushing a button, opening the doors without touching the handle, and much more. The key fob comes with an integrated circuit chip that communicates with the immobiliser system of the car. The system can determine whether the key is genuine by checking a certain sequence within the transponder. If the chip is not present, or if it has not been programmed with the correct immobiliser system the vehicle will not start. If the key fob is damaged, a locksmith can create a replacement. They'll also need to program the replacement key to sync with the immobiliser of the car. You should be prepared to provide your locksmith's details about your vehicle when they call. Keyless Entry With a keyless entry on your Fiat 500 you can lock or unlock the car with just a touch of one button. This technology is becoming more common in all kinds of vehicles which adds convenience and security to the operation of your car. If your remote keyless entry system stops working examine whether the battery in the fob has gone dead. If the battery is depleted replace it with a fresh one that has the same voltage, size, and type as the original. Also, ensure that the battery's contacts are free of corrosion or dust. The key fob comes with rubber seals that shield the chip from water, however, prolonged exposure to salty or soapy water may cause the chip to fail. If your key fob has been exposed to water, you must remove it and let the battery dry completely before replacing it. You can also try cleaning the electronic chip with isopropyl alcohol or an electronic cleaner. Keyless entry systems are more secure than the traditional systems, because it generates the code that is used to unlock your car after every use. This means that hackers will not be able gain permanent access to the vehicle even if they intercept the signal. Transponders Fiat uses a crypto key transponder system which means that the keys and transponders have to be precoded by the Body Control Module before they are "programmed" within the BCM. A key that is blank and isn't programmed cannot be programmed since the BCM must read and write the secret key into 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 door and begins the vehicle. Locksmiths must cut them to fit in your ignition.