How to Repair Fiat 500 Keys There are several reasons why your Fiat 500 key FOB may not function properly. The tiny "watch" inside the key FOB is often dead. It's a 3.3-volt lithium CR2032 and you can purchase it anywhere for less than $3. A locksmith is the ideal source to call if you require a new car key for an old Fiat model. United Locksmith can provide this service and has the tools and spare parts needed. Keys On the outside a Fiat key may appear simple but inside the casing is an electronic chip that communicates with your car's immobiliser system. If the chip isn't present or programmed to the immobiliser system correctly then your vehicle won't start. Luckily, Car Keys Solutions are able to offer dealer-standard technology and equipment that will ensure your Fiat key is repaired, even the damage it sustained or has been lost. A spare key will keep your vehicle in case of an accident or lockout. It doesn't matter if you require a standard blank or a remote fob we can help. We only use the finest blanks that are available and offer an immediate turnaround time so that you can get back on the road in a hurry. A few people choose to go to a Fiat Dealership when they require a replacement key, however we can provide a less expensive and faster service. We can be there for you and save you the expense of towing your car to the dealer. This will also cut down on the wait time which can be anywhere from 5 to 10 days. Remotes The remote controls for Fiat vehicles are similar to the keys, but they have an IR (infrared) LED on the top. This LED transmits a signal to the device that opens or turns off the car when pressed. The microprocessor in a key converts the signal into a code which is then sent to device. This is referred to as "keyless entry". The more modern your car is, and the more likely you will have a 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 vehicle with a single press to opening the doors without having to actually reach the door handle and many more. The key fob has an integrated circuit chip that communicates with the immobiliser system in the car. The system is able to determine whether the key is working by checking a specific sequence of the transponder. If the chip is not there, or if it has not been programmed to the correct immobiliser, the vehicle won't start. A locksmith can replace the key fob if it is damaged. They'll also need to program the replacement key to sync with the immobiliser of the car. You must be prepared to provide your locksmith details about your car when they call. Keyless Entry If you have a keyless entry system on your Fiat 500, you can lock and unlock the vehicle at any time with the push of a button. This technology is increasingly common in all types of cars and provides security and convenience to the usage of your vehicle. Examine https://www.thekeylab.co.uk/fiat-car-keys/ is not working. The battery inside the fob could be depleted. Replace the battery with a fresher one that has the same voltage size, type, and size as the one that came with it if it has been drained. Also, make sure that the battery's contact points are clean and free of corrosion or dust. The rubber seals on the key fob are designed to protect the chip from water. However long-term exposure to salty or soapy water can cause the chip to fail. If your key fob is exposed to water, remove the battery and allow it to dry completely before putting it back in. You can also clean the electronic chip with isopropyl, or electronic cleaner. Although some may think that keyless entry isn't as secure, this system is actually more secure than traditional systems because the code used to unlock your vehicle is rolled back after each use. This means that hackers won't be able gain permanent access to your vehicle even when they intercept the signal. Transponders Fiat uses a crypto keys transponder system which means the keys or transponders must be precoded 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 done because the BCM must read and write its secret key onto the transponder before locking it. This is referred to as the process of cloning. These are new replacement outer cases for OE SIP22 Transponder keys for Fiat 500. They come with a chip that allows you to open the doors and start the car. They will need to be professionally cut by a locksmith to fit your ignition.