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How to Repair G28 Car Keys There are many reasons why your Fiat 500 key FOB may cease to function. The tiny “watch” inside the key FOB often dies. This is a 3.3-volt lithium CR2032 You can buy it anywhere for less than $3. If you require keys to replace an older Fiat model locksmith is the one to call. United Locksmith offers this service and offers all the tools and spare parts needed. Keys Fiat keys may appear to be simple however inside is an electronic chip that communicates with the immobiliser system of your car. If this chip is not present or programmed to the immobiliser system correctly the car will not start. Luckily, Car Keys Solutions are able to provide dealer-standard technology and equipment to ensure your Fiat key can be repaired when it has been damaged or has been lost. A spare key is the most efficient method to keep your car running in the event of a catastrophe or being locked out. If you require a standard blank or a remote fob, we can assist. We only use the best blanks and offer a fast turnaround time so that you can be back to driving quickly. Some individuals will opt to go to an Fiat Dealership when they require a new ignition key, however we can provide a less expensive and quicker service. We can be there for you, saving you the cost of towing your vehicle to the dealer. This will also cut down on the time it takes to wait, which is usually up to 10 days. Remotes The remote controls on Fiat vehicles are similar to keys, but they have an IR LED (infrared). The LED transmits a signal to the device which opens or starts the car when you press. The signal is picked up by a microprocessor located in the key, which transforms it to a code that is then sent to the device. This is known as “keyless entry”. The more recent your vehicle is and the more likely you are to have a keyless entry system. The more advanced your car is, the more features it will come with. This includes everything from locking and unlocking your car with a press of a button to opening the doors without having to touch the door handle and more. The key fob is equipped with an integrated circuit chip which communicates with the immobiliser system in the car. The system can determine if the correct key is in place by examining a specific sequence of digits within the transponder chip. The vehicle won't start in the event of a chip being missing or in the event that it is not programmed to the correct immobiliser system. If the fob for the key is damaged, a locksmith may make a replacement. The locksmith will also have to program the new key so that it can sync with the immobiliser of the vehicle. It is recommended to give your locksmith information about your car when they call. Keyless Entry If you have an entry system that is keyless on your Fiat 500, you can lock and unlock your car from any location with the click of the button. This technology is becoming more common in vehicles of all types and ages and adds convenience and safety to the vehicle's usage. Examine your remote keyless entry system isn't working. The battery that powers the coin inside the fob might be dead. If the battery is depleted replace it with a new one that is the same voltage, size, and type as the original. It is important to ensure that the battery's contact points are free of corrosion or dust. The key fob is fitted with rubber seals that protect the electronic chip inside from water, however, prolonged exposure to salty or soapy water can cause the chip to fail. If your key fob is exposed to water, you must 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. The keyless entry system is more secure than traditional systems, as it generates the code that is used to unlock your car after each use. This means that hackers will not be able gain permanent access to your vehicle even if they intercept the signal. Transponders Fiat utilizes a crypto key transponder system which means the keys/transponders must be encoded with an encrypted code by the Body Control Module (BCM) before being “programmed” into the BCM. A key that is blank and has not been programmed cannot be programmed since the BCM must read and write the secret code onto the transponder before locking it. This is referred to as the process of cloning. These are new replacement outer case SIP22 transponder keys for your fiat 500. They contain a chip that opens the doors and starts the car. Locksmiths need to cut them to fit the ignition.