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How to Repair Fiat 500 Keys There are a variety of reasons why your Fiat 500 key FOB may not function properly. The tiny “watch” inside the key FOB is often dead. It's an 3.3-volt lithium CR2032, and you can get it at a price of less than $3. If you require keys to replace an older Fiat model, a locksmith is the one to contact. United Locksmith can provide this service and has the tools and replacement parts required. Keys On the outside, a Fiat key may seem basic however inside the casing is an electronic chip that communicates with your car's immobiliser system. If this chip is not in place or programmed to the immobiliser system properly your car won't start. Car Keys Solutions can offer you the latest technology and equipment from dealers to repair your Fiat key, even if the key is damaged or lost. Having a spare key is the most efficient way to keep your vehicle running in the event of an emergency or being locked out. No matter if you need a standard blank or remote fob we can help. We use the highest quality blanks we can find and provide an immediate turnaround time so that you get back on the road as quickly as possible. Some individuals will opt to visit an Fiat Dealership when they require a new key, however we can provide a less expensive and quicker service. You will also save on the towing costs of getting your car to and from the dealership as we are able to come to you. This can also cut out the waiting time which can be as long as 10 days at a dealer. Remotes The remote controls for Fiat cars look like the keys themselves, except they feature an IR (infrared) LED at the bottom. The LED sends a digital signal to the device which can open or shut down the vehicle when it is pressed. The signal is detected by a microprocessor in the key, which converts it into a number that is then sent to the device. This is known as “keyless entry”. The more recent your vehicle is, the more likely you will have the keyless system. The more advanced your vehicle has, the more features it will have. This includes everything from locking and unlocking the car with a button press to unlocking the doors without having to actually touch the door handle, and much more. The key fob contains an integrated circuit chip that connects to the vehicle's immobiliser system. The system is able to determine whether the correct key is in place by examining a specific sequence of digits in the transponder chip. If thekeylab.co.uk is not there, or if it has not been programmed to the correct immobiliser, the vehicle won't start. If the key fob is damaged, a locksmith can make a replacement. The locksmith will also need to program the new key to link with the immobiliser system of your car. This is an essential part of the procedure, and you should be prepared to give information about your vehicle to the locksmith when they call you. Keyless Entry If you have an entry system that is keyless on your Fiat 500, you can lock and unlock your car at any time by pressing of the button. This technology is becoming increasingly popular across all cars and provides security and convenience to the usage of your car. Check to see if your remote keyless entry system is not working. The battery inside the fob may be dead. If the battery is depleted replace it with a new one that is the same size, voltage and type as the original. Also, make sure that the battery's contact points are clean and free of corrosion or dust. The rubber seals on the key fob guard the electronic chip from water. However long-term exposure to soapy water or salty water can cause the chip to fail. If your key fob has been exposed to water, remove the battery and let it dry completely before putting it back in. You can also try cleaning the electronic chip with isopropyl alcohol, or an electronic cleaner. While some people might believe that keyless entry is less secure, this system is actually more secure than conventional systems due to the code used to unlock your vehicle is rolled back after each use. This means that even if hackers intercept the signal that they receive, they will not be able to gain permanent access to your vehicle. Transponders Fiat utilizes 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. A key that is blank and has not been programmed cannot be programmed since the BCM must read and write the secret key onto the transponder before locking it. This is referred to as cloning. These are brand new replacement outer cases that replace the SIP22 Transponder keys for Fiat 500. They have a chip that opens the door and then starts the vehicle. Locksmiths will need to cut them to fit in your ignition.