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How to Repair Fiat 500 Keys There are a myriad of reasons your Fiat 500 key fob may not function properly. The tiny “watch” inside the key FOB is often dead. This is an 3.3 volt lithium, CR2032, can be purchased almost anyplace for less than $3. A locksmith is the ideal place to call when you require a new key for your car for an old Fiat model. United Locksmith can provide this service and can provide the tools and replacement parts needed. Keys On the outside, a Fiat key may appear simple but inside the casing is a chip that communicates with your car's immobiliser system. If this chip is not present or programmed to the immobiliser system correctly then your vehicle won't 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. The possession of a spare key is the best method to keep your car running in the event of a catastrophe or being locked out. It doesn't matter if you require a standard blank or a remote fob, we can help. We use the best quality blanks we can find and provide quick turnaround so that you are back on the road as quickly as possible. A few people choose to visit a Fiat Dealership if they need a new key, however we can provide a more affordable and faster service. We can even come to you and save you the expense of towing your car to the dealer. This can also cut down on the waiting time which is often up to 10 days for dealers. Remotes The remote controls on Fiat vehicles are like keys, however they feature an IR LED (infrared). This LED sends an electronic signal to the device which opens or starts the vehicle when it is pressed. The microprocessor in the key converts the signal into a code, which is then sent to the device. This process is known as “keyless entry”. fiat 500 replacement key is, and the more likely it is that you have keysless entry. The more advanced your car, the more features it will come with. This includes locking and unlocking your car with just one touch and opening the doors with out touching the handle, and so much more. The key fob contains an integrated circuit chip that connects to the vehicle's immobiliser system. The system will determine if the correct key is in place by observing a certain sequence of numbers in the transponder chip. The vehicle won't start if the chip is missing or when it's not programmed with the right immobiliser system. A locksmith can replace the key fob in case it is damaged. The locksmith will also have to program the new key to link with the immobiliser of the car. You must be prepared to provide your locksmith with information regarding your vehicle whenever they call. Keyless Entry With the keyless entry option on your Fiat 500 you can lock or unlock the vehicle at the touch of a button. This is a growing feature across all cars, and adds convenience and security to the usage of your vehicle. If your remote keyless entry system fails to work examine whether the battery inside the fob has gone dead. If the battery is empty, replace it with a new one that is of the same voltage, size and type as the original. Also, make sure that the battery's contact points are clean and free from corrosion or dust. The rubber seals on the key fob protect the electronic chip from water. However prolonged exposure to soapy water or salty water can cause the chip to fail. If your key fob has been exposed to water, remove and let the battery dry completely before replacing it. You can also clean the electronic chip with isopropyl ethanol or electronic cleaner. The keyless entry system is more secure than traditional systems, as it generates the code that is used to unlock your vehicle after every use. This means that even if hackers attempt to intercept the signal it isn't possible for them to gain access to your car. Transponders Fiat employs a crypto-key transponder system. This means that the keys/transponders have to be encoded with a secret code generated by the Body Control Module (BCM) before being “programmed” into the BCM. A blank key that isn't 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 OE SIP22 transponder keys that fit your Fiat 500. They have a chip inside that allows you to open the doors and start the car. Locksmiths will have to cut them to fit in your ignition.