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How to Repair Fiat 500 Keys There are many reasons your Fiat 500 key FOB may not function properly. One of the most common is when the small “watch” battery inside it dies. This is a 3.3 volt lithium, CR2032, which you can purchase almost anywhere for under $3. A locksmith is the best place to call when you need a new car key for a classic Fiat model. United Locksmith offers this service, and has all the tools and parts needed. Keys Fiat keys might appear simple, but inside is a chip that communicates with the immobiliser system of your car. If the chip is not present, or is not properly programmed to the immobiliser, your vehicle won't be able start. Luckily Car Keys Solutions are able to offer dealer-standard technology and equipment that will ensure your Fiat key is repaired, even if it has suffered damage or is lost. A spare key will keep your vehicle running in case of an accident or lockout. We can provide you with a standard key or remote fob. We use the best quality blanks and provide quick turnaround so that you are back on the road as quickly as possible. fiat 500 spare key thekeylab.co.uk will opt to visit a Fiat Dealership if they require a new key, however we can offer you a cheaper and quicker service. You'll also save the towing charges of bringing your car to and from the dealership, as we can deliver the key to you. This can reduce the wait time, which is usually up to 10 days. Remotes The remote controls of Fiat vehicles are like keys, however they come with an IR LED (infrared). The LED transmits an electronic signal to the device, which can open or shut down the vehicle when pressed. The microprocessor inside a key converts the signal into a code that is then sent to the device. This process is called “keyless entry”. The more recent your vehicle is, the more likely you are to include a keyless entry system. The more recent your car, the more features you'll probably have with it. This includes locking and unlocking your car with a pressing a button or opening the doors without touching the handle, and so much more. The key fob comes with an integrated circuit chip that communicates with the immobiliser system of the car. The system will determine whether the key is in fact correct by checking a specific sequence within the transponder. If the chip isn't there, or if it has not been programmed to the correct immobiliser system, the vehicle won't begin. A locksmith can repair the key fob if it's damaged. They will also have to program the new key to sync with the immobiliser of the car. This is an important part of the process, and you should be ready to provide information about your vehicle to your locksmith when they call you. Keyless Entry With a keyless entry system on your Fiat 500 you can lock or unlock the car by pressing one button. This technology is increasingly common across all cars that adds convenience and security to the use of your vehicle. Examine your remote keyless entry system isn't working. The battery in the fob may be dead. Replace the battery by using a newer one that has the same voltage, type, and size as the original if it's drained. It is also important to ensure that the battery's contact points are clean and free from corrosion or dust. The key fob's rubber seals to protect the electronic chip from water however, prolonged exposure to salty or soapy water could cause the chip to fail. If your key fob has been exposed to water, take out the battery and allow it to dry completely before putting it back into. You can also try cleaning the electronic chip with isopropyl alcohol or an electronic cleaner. While some may believe that keyless entry is less secure, the system is actually more secure than traditional systems because the code used to unlock your car is rolled up after every use. This means that hackers will not have the ability to gain permanent access to the vehicle even when they intercept the signal. Transponders Fiat uses a crypto keys transponder, which means that keys or transponders must be precoded with a secret code by the Body Control Module (BCM) before being “programmed” into the BCM. A key that is blank and has not been programmed cannot be programmed because the BCM must read and write its secret key to the transponder before locking it. This is referred to as cloning. These are new replacement outer case OE SIP22 transponder keys to your fiat 500. They come with a chip that opens the doors and starts the car. Locksmiths must cut them to fit in your ignition.