How to Repair Fiat 500 Keys There are several reasons why your Fiat 500 key FOB may stop working. One of the most common is the tiny "watch" battery that's inside dies. This is an 3.3 volt lithium, CR2032, which can be purchased almost anywhere for under $3. If you require the replacement key for an older Fiat model locksmith is the one to contact. United Locksmith offers this service and has all the tools and parts needed. Keys Fiat keys may appear to be simple but inside is an electronic chip that communicates with the immobiliser system in your vehicle. If the chip isn't present, or not properly programmed to the immobiliser, your car will not be able to start. Car Keys Solutions can offer you dealer-standard equipment and technology to repair your Fiat key, regardless of whether the key is damaged or lost. A spare key can keep your vehicle running in case of an accident or lockout. We can provide you with a standard key or a remote fob. We only use the finest blanks available and offer quick turnaround so that you are back on the road in a hurry. Some customers prefer to visit an Fiat Dealership to purchase an updated key. We can provide the fastest and most affordable service. We can also come to your location and save you the expense of towing your car to the dealer. This can also decrease the waiting time which can be as long as 10 days at a dealer. Remotes The remote controls on Fiat cars look like the keys themselves, with the exception that they have an IR (infrared) LED on the top. The LED transmits an electronic signal to the device that allows the vehicle to open or start when the button is pressed. The microprocessor inside the key converts the signal into a code which is then sent to device. This process is called "keyless entry". The more modern your vehicle, the more likely you are to have a keyless entry system. The more modern your vehicle equipped with, the more features it will likely find in it. This includes locking and unlocking your car with just one touch and opening the doors without touching the handle, and so much more. The key fob is outfitted with an integrated circuit chip that communicates with the immobiliser system in the car. The system is able to determine whether the correct key is present by looking for a specific sequence of numbers in the transponder chip. If the chip isn't there, or if it is not programmed to the correct immobiliser system, the vehicle will not start. When the key fob is damaged, a locksmith may make a replacement. The locksmith will also have to program the new key to sync up with the immobiliser system of your car. You should be prepared to provide your locksmith details about your vehicle when they call. Keyless Entry If you have a keyless entry system on your Fiat 500, you can lock and unlock the vehicle at any time with the push of the button. This is a growing feature in all kinds of vehicles and provides convenience and security to the usage of your car. If your remote keyless entry system fails to work, check to see whether the battery inside the fob is dead. Replace the battery with one with the same voltage size, type, and size as the original one if it is drained. It is also important to ensure that the contacts of the battery are free of dust or corrosion. The rubber seals on the key fob guard the electronic chip from water. However exposure to prolonged salty or soapy water can cause the chip to fail. If https://www.thekeylab.co.uk/fiat-car-keys/ has been exposed to water, take it out and allow the battery to dry completely before replacing it. You can also clean the electronic chip using isopropyl alcohol or an electronic cleaner. The keyless entry system is more secure than traditional systems, as it rolls up the code that is used to unlock your vehicle after every use. This means that even if hackers do intercept the signal and attempt to access your car, they won't be able to gain permanent access to your car. Transponders Fiat uses a crypto key transponder system, which means that the keys/transponders have to be precoded with a secret code that is generated 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 has to read & write the secret key to the transponder and then lock it. This is referred to as cloning. These are new replacement outer cases for OE SIP22 Transponder keys for Fiat 500. They contain a chip that opens the doors and also starts the car. Locksmiths must cut them to fit your ignition.