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How to Repair Fiat 500 Keys There are many reasons your Fiat 500 key FOB may cease to function. The tiny “watch” inside the key FOB can fail. This is an 3.3 Volt lithium battery, CR2032, which you can purchase almost anywhere for under $3. When you need a replacement key for an older Fiat model locksmith is the one to contact. United Locksmith can provide this service and can provide the tools and spare parts needed. Keys Fiat keys may appear simple however inside is a chip that communicates with the immobiliser system of your car. If the chip isn't in place or programmed to the immobiliser system properly the car will not start. Luckily Car Keys Solutions are able to provide standard dealer technology and equipment to ensure your Fiat key can be repaired, even if it has suffered damage or is lost. A spare key can keep your vehicle running in case of an accident or lockout. No matter if you need an ordinary blank or a remote fob, we are able to assist. We only use the finest blanks and provide quick turnaround so that you can get back on the road quickly. Many people decide to go to Fiat Dealerships to obtain an updated key. We can offer the fastest and most affordable service. You will also save on the cost of towing your vehicle from and to the dealership since we can deliver the key to you. This can also decrease the wait time that can be up to 10 days. Remotes The remote controls of Fiat vehicles are like keys, however they come with an IR LED (infrared). fiat 500 key fob sends an IR signal to the device which opens or starts the car when pressed. The microprocessor inside the key transforms the signal into a code which is then transmitted to the device. This process is known as “keyless entry”. The more recent your vehicle is, the more likely you are to include a keyless entry system. The more advanced your car is, the more features it will have. This includes everything from locking and unlocking your car with a button press and opening the doors without having to actually hold the door handle and much more. The key fob is outfitted with an integrated circuit chip that communicates with the immobiliser system of the car. The system is able to determine if the key is correct by checking a specific sequence in the transponder. The vehicle won't start when the chip isn't present or when it's not programmed with the correct immobiliser system. If the key fob has been damaged, a locksmith is able to create a new one. They'll also need to program the new key to sync with the car's immobiliser system. This is an important part of the procedure, and you must be ready to provide information about your vehicle to your locksmith when they call. Keyless Entry If you have keys-less entry on your Fiat 500, you can lock and unlock the vehicle from anywhere with a push of one button. This technology is becoming more prevalent in vehicles of all ages and models and adds convenience and safety to your vehicle's use. If your remote keyless entry system fails to work look to see whether the battery in the fob has gone dead. If the battery is depleted, replace it with a fresh one with the same voltage, size and type as the original. 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 shield the electronic chip from water. However, prolonged exposure to soapy water or salty water may cause the chip to fail. If your key fob has been exposed to water, remove the battery and allow it to dry completely before putting it back into. You can also try cleaning the electronic chip using isopropyl ethanol or 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 gets rolled up after every use. This means that even if hackers do 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 keys/transponders need to be precoded by the Body Control Module before they are “programmed” in the BCM. This is the reason why an unwritten key cannot be programmed, as the BCM must read and write its secret key to the transponder & lock it. This process is called”cloning. These are brand new replacement outer case OE SIP22 transponder keys to your Fiat 500. They have a chip inside that opens the doors and starts the car. Locksmiths must cut them to fit in your ignition.