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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 is often dead. This is a 3.3-volt lithium CR2032, and you can get it anywhere for less than $3. A locksmith is the best place to call when you require a new car key for the classic Fiat model. United Locksmith offers this service and comes with all the tools and parts required. Keys Fiat keys may look simple, but inside is a chip that is communicating with the immobiliser system in your car. If the chip isn't present, or is not programmed correctly to the immobiliser, your car won't be able start. Luckily, Car Keys Solutions are able to provide standard dealer technology and equipment to ensure your Fiat key can be repaired when it has been damaged or is lost. A spare key is the best method to ensure your car is running in the event of a crisis or being locked out. We can provide you with a standard blank key or remote fob. We only use the finest blanks we can find and provide an immediate turnaround time so that you are back on the road in a hurry. Some individuals will opt to visit Fiat Dealerships when they need a new key, however we can offer you a cheaper and faster service. We can also come to your location without the expense of towing your vehicle to the dealer. This can also reduce the time it takes to wait, which is usually up to 10 days. Remotes Remote controls for Fiat vehicles look similar to the keys themselves, with the exception that they have an IR (infrared) LED on the other end. This LED sends an IR signal to the device which opens or starts the car when it is pressed. The microprocessor inside the key transforms the signal into a code, which is then transmitted to the device. This is referred to as “keyless entry”. The more recent your car is and the more likely to feature a keyless entry system. The more recent your car, the more features you'll likely find in it. This includes everything from locking and unlocking your car with a press of a button and opening the doors without having to reach the door handle and much more. The key fob is outfitted with an integrated circuit chip which communicates with the immobiliser system in the car. www.thekeylab.co.uk is able to determine whether the correct key is present by looking for a specific sequence of digits inside the transponder chip. The vehicle will not start in the event that the chip is not present or when it's not programmed with the right immobiliser system. A locksmith can repair the key fob in case it's damaged. They'll also have to program the replacement key to sync with the car's immobiliser system. This is an important part of the procedure, and you should be prepared to give information regarding your vehicle to your locksmith if they contact you. Keyless Entry With a keyless entry on your Fiat 500 you can lock or unlock the car with the touch of an button. This is a growing feature across all cars that adds convenience and security to the operation of your car. Examine your remote keyless entry system is not working. The battery inside the fob may be dead. If the battery is drained replace it with a fresh one that has the same voltage, size and type as the original. Also, make sure that the battery contacts are clean and free from dust or corrosion. The key fob has rubber seals that shield the chip from water but prolonged exposure to soapy or salty water could cause the chip to fail. If your key fob has been exposed to water, take it out and allow the battery to dry completely before replacing it. You can also clean the electronic chip by using isopropyl and electronic cleaner. While some people might believe that keyless entry isn't as secure, this system is actually more secure than traditional systems because the code that unlocks your vehicle is rolled back after each use. This means that even if hackers are able to intercept the signal that they receive, they will not be able to gain access to your vehicle. Transponders Fiat utilizes a crypto-key transponder system, which means that the keys/transponders need to be precoded by the Body Control Module before they are “programmed” in the BCM. A blank key that has not been programmed cannot be programmed because the BCM must read and write the secret key into the transponder before locking it. This is known as”cloning. These are new replacement outer cases OE SIP22 Transponder keys for Fiat 500. They have a chip that unlocks the door and opens the vehicle. Locksmiths need to cut them to fit the ignition.