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How to Repair Fiat 500 Keys There are several reasons why your Fiat 500 key fob may not function properly. fiat 500 replacement key cost The Key Lab of the most frequent is the small “watch” battery that's inside the device dies. It's a 3.3 Volt lithium, CR2032, can be purchased almost anyplace for less than $3. A locksmith is the ideal place to call when you need a new car key for an old Fiat model. United Locksmith can provide this service and has the tools and replacement parts required. Keys On the outside a Fiat key may appear to be basic however, inside the casing is a chip that communicates with your car's immobiliser system. If the chip is not present, or is not programmed correctly to the immobiliser, your vehicle isn't able to start. Fortunately, Car Keys Solutions are able to offer standard technology and equipment that will ensure your Fiat key can be repaired, even when it has been damaged or is lost. A spare key is the best way to keep your vehicle running in the event of a crisis or being locked out. We can supply you with a standard key or a remote fob. We only use the highest quality blanks and provide a quick turnaround so you can get back on the road in no time. Some individuals will opt to visit a Fiat Dealership when they require a new ignition key, but we are able to provide a less expensive and faster service. We can be there for you to save you the expense of towing your vehicle to the dealer. This can also cut down on the waiting period which can last up to 10 days at a dealer. Remotes The remote controls of Fiat vehicles are like keys, however they have an IR LED (infrared). The LED transmits a signal to the device which can open or start the car when pressed. The microprocessor in the key transforms the signal into a number that is then transmitted to the device. This is known as “keyless entry”. The more modern your vehicle, the more likely it is to feature 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 using a button to unlocking the doors without having to touch the door handle and more. The key fob is fitted with an integrated circuit chip which communicates with the immobiliser system in the car. The system will determine whether the correct key is present by looking for a particular sequence of digits within the transponder chip. The vehicle won't start if the chip is missing or if it's not programmed to the correct immobiliser system. If the key fob has been damaged, a locksmith can create a new one. They'll also have to program the replacement key to connect with the immobiliser system of your car. You should be prepared to provide your locksmith with information regarding your vehicle whenever they call. Keyless Entry If you have a keyless entry system in your Fiat 500, you can secure and unlock the car from any location with the click of a button. This technology is becoming increasingly popular across all cars that adds convenience and security to the use of your vehicle. Check to see if the remote keyless entry system isn't working. The battery that powers the coin inside the fob may be dead. Replace the battery with one of the same voltage, type, and size as the original one if it's drained. Also, ensure that the contacts of the battery are free of corrosion or dust. The rubber seals on the key fob are designed to protect the electronic chip from water. However exposure to prolonged salty or soapy water could 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 using isopropyl ethanol or electronic cleaner. Keyless entry systems are more secure than the traditional systems because it generates the code used to unlock your car after every use. This means that hackers won't be able to gain access to your vehicle, even when they intercept the signal. Transponders Fiat uses a crypto key transponder, which means that keys/transponders have to be encoded with a secret code by the Body Control Module (BCM) before being “programmed” into the BCM. This is the reason a blank unwritten key is not able to be programmed as the BCM must read and write it's secret key to the transponder and then lock it. This is referred to as cloning. These are new replacement outer cases to replace SIP22 Transponder keys for Fiat 500. They contain a chip that opens the doors and starts the car. Locksmiths need to cut the chip to fit your ignition.