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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 tiny “watch” inside the key FOB often dies. It's a 3.3-volt lithium CR2032 and you can purchase it anywhere for less than $3. If you require keys to replace an older Fiat model locksmith is the one to call. United Locksmith can provide this service and also has the tools and spare parts needed. Keys Fiat keys might appear simple, but inside is an electronic chip that connects to the immobiliser system of your vehicle. If this chip is not in place or programmed to the immobiliser system in a correct manner the car will not start. Car Keys Solutions can offer you dealer-grade equipment and technology to repair your Fiat key, regardless of whether the key is damaged or lost. A spare key can keep your vehicle running in the event of an accident or lockout. If you require a standard blank or remote fob, we can help. We use the highest quality blanks that are available and offer an immediate turnaround time so that you get back on the road quickly. Many people decide to go to an Fiat Dealership to purchase a new key. We can offer the fastest and most affordable service. You'll also save the towing charges of bringing your car from and to the dealership since we can deliver the key to you. This can also cut down on the waiting time which can last up to 10 days at a dealer. Remotes The remote controls on Fiat automobiles look a lot like the keys themselves, except they feature an IR (infrared) LED at the other end. This LED sends an indication to the device that can open or start the car when pressed. The signal is detected by a microprocessor within the key, which converts it into a code that is then transmitted to the device. This is referred to as “keyless entry”. The more recent your car is, the more likely you will have an electronic keypad. The more advanced your car has, the more features it will come with. This includes everything from locking and unlocking the car with a button press and opening the doors without having to touch the door handle and many more. The key fob is equipped with an integrated circuit chip that communicates with the immobiliser system of the car. The system is able to determine if the correct key is in place by looking for a specific sequence of digits inside the transponder chip. If the chip is not present, or if it is not programmed to the correct immobiliser, the vehicle won't start. If the fob for the key is damaged, a locksmith will create a new one. The locksmith will also need to program the new key to link up with the immobiliser system of your car. This is a crucial aspect of the procedure, and you must be prepared to provide details about your vehicle to your locksmith when they call you. Keyless Entry With the keyless entry option on your Fiat 500 you can lock or unlock the car with just a touch of an button. This technology is becoming more common in all types of cars which adds convenience and security to the operation of your vehicle. If your remote keyless entry system ceases to function Check to see if the coin battery in the fob is dead. Replace the battery by using a newer one that has the same voltage size, type and size as the one that came with it if it is drained. You should also ensure that the contacts of the battery are free of dust or corrosion. The rubber seals on the key fob protect the electronic chip from water. However long-term exposure to salty or soapy water may cause the chip to fail. If your key fob is exposed to water, remove the battery and let it dry completely before putting it back into. You can also clean the electronic chip using isopropyl alcohol, or an electronic cleaner. The keyless entry system is more secure than the traditional systems because it generates the code that is used to unlock your car after every use. This means that hackers will not be able to gain permanent access to your vehicle, even in the event that they intercept the signal. Transponders Fiat employs a crypto-key transponder system, which means that the keys or transponders must be precoded in the Body Control Module before they are “programmed” by the BCM. This is why an unwritten key is not able to be programmed, as the BCM has to read & write the secret key to the transponder & lock it. This is known as”cloning. These are brand new replacement outer case OE SIP22 transponder key for your fiat 500. They come with a chip that opens the doors and starts the car. Locksmiths must cut them to fit the ignition.