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How to Repair Fiat 500 Keys There are a few reasons why your Fiat 500 key FOB may stop working. One of the most common is that the tiny “watch” battery inside it that fails. It's a 3.3 voltage lithium, CR2032, which you can buy just about anyplace for less than $3. If you require a replacement key for an older Fiat model locksmith is the one to call. United Locksmith offers this service and has all the parts and tools required. Keys Fiat keys may look simple but inside is a chip that communicates with the immobiliser system in your car. If this chip is not in place or programmed to the immobiliser system properly then your vehicle won't start. Fortunately Car Keys Solutions are able to provide dealer-standard technology and equipment to ensure that your Fiat key can be repaired if it has suffered damage or is lost. A spare key can keep your vehicle running in case of an accident or lockout. We can provide you with a standard blank key or remote fob. We only use the finest blanks and provide quick turnaround so that you are back on the road as quickly as possible. Some people choose to visit a Fiat Dealership to get a new key. We can offer the service faster and more affordable. We can also come to you without the expense of towing your vehicle to the dealer. This will also reduce the waiting time, which is often up to 10 days for dealers. Remotes The remote controls on Fiat vehicles are similar to keys, but they come with an IR LED (infrared). The LED transmits an IR signal to the device which allows the car to open or stop when you press. The signal is detected by a microprocessor located in the key, which converts it into a code that is then sent to the device. This is referred to as “keyless entry”. locked keys in car boot fiat punto is, and the more likely you'll have the keyless system. The more modern your car is has, the more features you'll likely get with it. This includes everything from locking and unlocking your car with a press of a button to unlocking the doors without having to touch the door handle and more. The key fob is outfitted with an integrated circuit chip which communicates with the immobiliser system in the car. The system can determine if the correct key is present by examining a specific sequence of numbers in the transponder chip. If the chip isn't present, or is not programmed to the correct immobiliser system, then the vehicle will not start. A locksmith can repair the key fob in case it is damaged. The locksmith will also need to program the new key to connect with the immobiliser system of your car. You must be prepared to provide your locksmith details about your vehicle when they call. Keyless Entry If you have keys-less entry on your Fiat 500, you can lock and unlock the vehicle at any time with the push of a button. This technology is becoming more common in all cars of all ages and models and adds convenience and safety to your car's use. Examine your remote keyless entry system is not working. The battery inside the fob may be dead. Replace the battery with one with the same voltage size, type, and capacity as the original if it's drained. You should also make sure that the contacts of the battery are free of corrosion or dust. The rubber seals on the key fob protect the electronic chip from water. However, prolonged exposure to salty or soapy water can cause the chip to fail. If your key fob is exposed to water, remove the battery and let it dry completely before putting it back into. You can also clean the electronic chip with isopropyl alcohol or an electronic cleaner. Keyless entry systems are more secure than the traditional systems, since it rolls up the code used to unlock your vehicle after each use. This means that hackers will not be able gain permanent access to your vehicle, even in the event that they intercept the signal. Transponders Fiat uses a crypto key transponder system. This means that the keys/transponders must be precoded with a secret code that is generated by the Body Control Module (BCM) before being “programmed” into the BCM. A key that is blank and has not been programmed can't be programmed since the BCM must read and write its secret key to the transponder before locking it. This is known as”cloning. These are brand new replacement outer case OE SIP22 transponder keys for your Fiat 500. They have a chip that opens the door and begins the vehicle. They must be professionally cut by a locksmith in order to fit your ignition.