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How to Repair Fiat 500 Keys There are a variety of reasons why your Fiat 500 key fob may cease to function. One of the most frequent is the small “watch” battery inside the device dies. This is a 3.3 voltage lithium battery, CR2032, which you can purchase almost anywhere for under $3. If you require a replacement key for an older Fiat model, a locksmith is the one to contact. United Locksmith offers this service and comes with all the tools and spare parts required. Keys On the outside, a Fiat key might appear basic however inside the case is an electronic chip that connects to your car's immobiliser system. If The Key Lab isn't present, or not properly programmed to the immobiliser, your vehicle isn't able to start. Luckily Car Keys Solutions are able to offer standard technology and equipment that will ensure your Fiat key can be repaired, even in the event that it has suffered damage or is lost. Having a spare key is the best way to keep your car running in the event of a catastrophe or being locked out. We can provide you with a standard key or a remote fob. We only use the top blanks and offer a fast turnaround so you can get back on the road in no time. Some individuals will opt to go to a Fiat Dealership if they require a replacement key, but we are able to provide a more affordable and faster service. You will also save on the towing charges of bringing your car from and to the dealership because we can deliver the key to you. This can reduce the time it takes to wait which can range from a few days to 10 days. Remotes Remote controls for Fiat vehicles are similar to the keys themselves, except they have an IR (infrared) LED at the bottom. The LED sends signals to the device that opens or starts the car when you press. The signal is interpreted by a microprocessor located in the key which converts it into a code which is then sent to the device. This is referred to as “keyless entry”. The more recent your car is, and the more likely it is that you have the keyless system. The more advanced your car has, the more features will come with. This includes locking and unlocking your car with a pressing a button and opening the doors with out touching the handle, and much more. The key fob comes with an integrated circuit chip that connects to the vehicle's immobiliser system. The system is able to determine if the key is correct by checking a particular sequence of the transponder. If the chip is not present, or has not been programmed with the correct immobiliser, the vehicle will not start. If the fob for the key is damaged, a locksmith can create a new one. They will also have to program the replacement key to connect with the immobiliser of the car. It is important 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 your car with just a touch of a button. This technology is becoming more common in vehicles of all ages and types and adds convenience and safety to the use of your vehicle. Check to see if your remote keyless entry system is not working. The battery inside the fob could be depleted. Replace the battery with one with the same voltage size, type and size as the original one if it's drained. It is also important to ensure that the battery's contacts are free of corrosion or dust. The rubber seals on the key fob guard the chip from water. However exposure to prolonged salty or soapy water may cause the chip to fail. If your key fob has been exposed to water, take it out and let the battery dry completely before replacing it. You can also clean the electronic chip using isopropyl alcohol, or an electronic cleaner. Although some may think that keyless entry isn't as secure, the system is actually more secure than traditional systems because the code used to unlock your vehicle is rolled back after each use. This means that even if hackers do intercept the signal, they won't be able to gain access to your vehicle. Transponders Fiat employs a crypto-key transponder system which means the keys and transponders have to be encoded with a secret code that is generated by the Body Control Module (BCM) before being “programmed” into the BCM. This is the reason a blank unwritten key cannot be programmed because the BCM must read and write the secret code to the transponder & lock it. This is known as the cloning. These are brand new replacement outer case OE SIP22 transponder keys to your fiat 500. They contain a chip that opens the doors and starts the car. They must be cut professionally by a locksmith to match your ignition.