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How to Repair Fiat 500 Keys There are several reasons why your Fiat 500 key fob may stop working. One of the most common is the small “watch” battery inside it dies. This is an 3.3-volt lithium CR2032 You can buy it anywhere for less than $3. A locksmith is the best place to call when you require a new key for your car for an old Fiat model. United Locksmith offers this service and offers all the parts and tools needed. Keys On the outside, a Fiat key might appear basic, however inside the casing is an electronic chip that communicates with your vehicle's immobiliser system. If the chip isn't in place or programmed to the immobiliser system correctly then your vehicle will not start. Car Keys Solutions can offer you dealer-standard equipment and technology to repair your Fiat key, even if the key has been damaged or lost. Having a spare key is the most efficient method to ensure your car is running in the event of a disaster or being locked out. We can provide you with a standard key or a remote fob. We only use the top blanks and provide a quick turnaround so you can get back to driving in a short time. Some people prefer to visit Fiat Dealerships to obtain a new key. We can provide an easier and less expensive service. We can also come to your location, saving you the cost of towing your car to the dealer. This can also decrease the waiting period which can take up to 10 days for dealers. Remotes The remote controls of Fiat vehicles are similar to keys, but they are equipped with an IR LED (infrared). car key cover fiat 500 sends a digital signal to the device which allows the vehicle to open or start when it is pressed. The signal is detected by a microprocessor in the key that converts it into a code that is then sent to the device. This is also known as “keyless entry”. The newer your vehicle is, the more likely you are to include a keyless entry system. The more advanced your car has, the more features it will come with. This includes locking and unlocking your car at the a push of a button and opening the doors without touching the handle, and much more. The key fob is equipped with an integrated circuit chip that connects to the immobiliser system in the car. The system will determine if the correct key is present by looking for a particular sequence of digits inside the transponder chip. If the chip isn't there, or if it has not been programmed to the correct immobiliser system, the vehicle won't begin. If the key fob has been damaged, a locksmith will make a replacement. The locksmith will also have to program the new key to sync with the immobiliser system in the vehicle. This is an important part of the procedure, and you must be prepared to disclose information about your car to your locksmith when they call you. Keyless Entry If you have a keyless entry system on your Fiat 500, you can secure and unlock the car from anywhere with a push of the button. This technology is becoming more common across all cars and provides convenience and security to the operation of your vehicle. If your remote keyless entry system ceases to function, check to see whether the battery for the coin in the fob has gone dead. If the battery is empty replace it with a fresh one with the same voltage, size and type as the original. It is also important to ensure that the battery's contacts are free of dust or corrosion. The key fob has rubber seals that protect the chip inside from water, but prolonged exposure to soapy or salty water can 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 component using isopropyl, or electronic cleaner. Keyless entry systems are more secure than traditional systems, as it generates the code that is used to unlock your vehicle after every use. This means that hackers will not be able gain permanent access to the vehicle even if they are able to intercept the signal. Transponders Fiat uses a crypto key transponder system which means that keys or transponders must be precoded in the Body Control Module before they are “programmed” in the BCM. This is why a blank unwritten key cannot be programmed as the BCM must read and write the secret code to the transponder before locking it. This process is called the cloning. These are new replacement outer case OE SIP22 transponder key for your Fiat 500. They have a chip that opens the door and starts the vehicle. They will need to be cut professionally by a locksmith so that they fit your ignition.