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How to Repair Fiat 500 Keys There are a few reasons your Fiat 500 key FOB may cease to function. One of the most frequent is that the tiny “watch” battery that's inside the device dies. It's a 3.3 voltage lithium battery, CR2032, which is available anyplace for less than $3. A locksmith is the ideal place to call when you require a replacement car key for a classic Fiat model. United Locksmith can provide this service and can provide the tools and replacement parts required. Keys On the outside, a Fiat key may seem basic, however inside the casing is a chip that connects to your car's immobiliser system. If the chip is not present, or is not properly programmed to the immobiliser, your car isn't able to start. Car Keys Solutions can offer you dealer-standard equipment and technology to repair your Fiat key, even if the key is damaged or lost. A spare key will keep your vehicle in case of an accident or lockout. We can provide you with a standard key or remote fob. We only use the finest blanks that are available and offer an immediate turnaround time so that you are back on the road quickly. fiat doblo key choose to visit an Fiat Dealership when they require a new key, however we can offer you a cheaper and quicker service. Additionally, you will save the cost of towing your car to and from the dealership as we can bring it to you. This will also cut down on the wait time that can be up to 10 days. Remotes The remote controls of Fiat vehicles are similar to keys, but they come with an IR LED (infrared). The LED transmits an indication to the device which can open or start the car when you press. The microprocessor inside the key transforms the signal into a number that is then sent to device. This process is known as “keyless entry”. The more recent your car is, the more likely you'll have an electronic keypad. The more advanced your vehicle, the more features it will come with. This includes locking and unlocking your car at the one touch, opening the doors without touching the handle, and much more. The key fob comes with an integrated circuit chip that communicates with the immobiliser system in the car. The system will determine whether the correct key is in place by observing a certain sequence of digits within the transponder chip. If the chip isn't present, or is not programmed to the correct immobiliser system, the vehicle won't begin. If the fob for the key is damaged, a locksmith is able to make a replacement. The locksmith will also have to program the new key to link with the immobiliser system of the vehicle. This is an important part of the process, and you should be prepared to disclose information about your car to your locksmith when they call you. Keyless Entry With the keyless entry option on your Fiat 500 you can lock or unlock the vehicle at the touch of a button. This technology is becoming more common in cars of all types and ages, and it adds convenience and safety to the vehicle's usage. If your remote keyless entry system ceases to function look to see whether the battery inside the fob is dead. If the battery has been drained 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 comes with rubber seals to protect the electronic chip from water, however, prolonged exposure to salty or soapy water may cause the chip to fail. If your key fob has been exposed to water, take it out and let the battery dry completely before replacing it. You can also clean the electronic chip by using isopropyl, or electronic cleaner. While some people may believe that keyless entry is less secure, this system is actually more secure than other systems because the code used to unlock your car is rolled away after every use. This means that hackers will not have the ability to gain permanent access to your vehicle, even if they intercept the signal. Transponders Fiat uses a crypto keys transponder system which means the keys/transponders must be encoded with a secret code that is generated by the Body Control Module (BCM) before being “programmed” into the BCM. This is why a blank unwritten key cannot be programmed as the BCM must read and write the secret key to the transponder & lock it. This is known as cloning. These are new replacement outer case SIP22 transponder keys that fit your fiat 500. They have a chip inside that allows you to open the doors and start the car. Locksmiths will have to cut the chip to fit your ignition.