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How to Repair Fiat 500 Keys There are several reasons why your Fiat 500 key fob may not function properly. The small “watch” inside the key FOB can fail. It's a 3.3 Volt lithium, CR2032, can be purchased almost anywhere for under $3. A locksmith is the best option to contact if you need a new car key for an old Fiat model. United Locksmith can provide this service and can provide the tools and replacement parts needed. Keys Fiat keys may appear to be simple, but inside is an electronic chip that communicates with the immobiliser system in your car. If the chip isn't present, or not programmed correctly to the immobiliser, your car won't be able start. Car Keys Solutions can offer you dealer-grade equipment and technology to repair your Fiat key, regardless of whether the key has been damaged or lost. A spare key can keep your vehicle in case of an accident or lockout. We can supply you with a standard key or a remote fob. We only use the top blanks and offer a fast turnaround time so that you can be back on the road in no time. Some customers prefer to visit a Fiat Dealership in order to obtain an updated key. We can offer a quicker and cheaper service. We can also come to you and save you the expense of towing your car to the dealer. This can also decrease the time it takes to wait that can be up to 10 days. Remotes The remote controls on Fiat vehicles are similar to keys, but they come with an IR LED (infrared). The LED transmits an electronic signal to the device that opens or turns off the vehicle when it is pressed. The signal is interpreted by a microprocessor in the key, which converts it into a code that is then transmitted to the device. This process is known as “keyless entry”. The more modern your vehicle and the more likely it is to have a keyless entry system. The more advanced your vehicle is, the more features it will come with. 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 is outfitted with an integrated circuit chip which communicates with the immobiliser system of the car. The system can tell whether the correct key is in place by looking for a specific sequence of digits in the transponder chip. If the chip isn't there, or if it is not programmed to the correct immobiliser, the vehicle won't start. A locksmith can repair the key fob if it's damaged. They'll also need to program the replacement key to connect with the immobiliser of the car. This is a crucial part of the procedure, and you must be prepared to give information about your vehicle to your locksmith if they contact you. Keyless Entry With a keyless entry feature on your Fiat 500 you can lock or unlock your car by pressing one button. This technology is becoming more prevalent in cars of all kinds and ages, and it adds convenience and safety to the vehicle's usage. Verify that your remote keyless entry system is not working. The battery inside the fob might be dead. If the battery is depleted, replace it with a fresh one with the same voltage, size and type as the original. You should also make sure that the battery's contacts are free of corrosion or dust. The key fob comes with rubber seals to protect the electronic chip inside from water, but prolonged exposure to salty or soapy water can cause the chip to fail. If your key fob has been exposed to water, take it off 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, since it generates the code used to unlock your car after each use. This means that hackers will not be able to gain access to the vehicle even when they intercept the signal. Transponders Fiat uses a crypto key transponder system, which means that the keys and transponders have to be precoded with a secret code that is generated by the Body Control Module (BCM) before being “programmed” into the BCM. replacement fiat key that is blank and has not been programmed cannot be programmed since the BCM must read and write the secret key to the transponder before locking it. This is referred to as”cloning. These are brand new replacement outer case SIP22 transponder keys for your fiat 500. They have a chip that opens the door and begins the vehicle. Locksmiths must cut the chip to fit your ignition.