How to Repair Fiat 500 Keys
There are several reasons why your Fiat 500 key fob may cease to function. The small "watch" inside the key FOB can fail. This is a 3.3-volt lithium CR2032 and you can purchase it anywhere for less than $3.
If you require a replacement key for an older Fiat model, a locksmith is the right person to call. United Locksmith can provide this service and has the tools and replacement parts needed.

Keys
Fiat keys may appear simple however inside is an electronic chip that communicates with the immobiliser system in your vehicle. If the chip isn't in place or programmed to the immobiliser system correctly the car will not start. Car Keys Solutions can offer you dealer-grade equipment and technology to repair your Fiat key, even if the key has been damaged or lost.
The possession of a spare key is the most efficient way to keep your vehicle running in the event of a disaster or being locked out. We can provide you with a standard key or a remote fob. We use only the highest-quality blanks that are available and offer a fast turnaround to ensure you are back on the road in a hurry.
Some customers prefer to visit a Fiat Dealership in order to obtain an updated key. We can offer a quicker and cheaper service. You'll also save the towing charges of bringing your vehicle to and from the dealership as we can come to you. This can reduce the time it takes to wait which can be anywhere from 5 to 10 days.
Remotes
The remote controls for Fiat vehicles are similar to keys, however they feature an IR (infrared) LED at the other end. This LED sends an electronic signal to the device that opens or turns off the vehicle when it is pressed. The signal is picked up by a microprocessor within the key which converts it to a code that is then transmitted to the device.
This is known as "keyless entry". The more modern your car is, and the more likely you'll have a keyless system. The more advanced your car has, the more features will come with. This includes locking and unlocking your car with just pushing a button and opening the doors with out touching the handle, and much more.
The key fob is outfitted with an integrated circuit chip which communicates with the immobiliser system in the car. The system can determine whether the correct key is present by examining a specific sequence of digits inside the transponder chip. If the chip isn't present, or if it has not been programmed to the correct immobiliser system the vehicle will not start.
When the key fob is damaged, a locksmith will create a replacement. lost fiat 500 key will also have to program the new key so that it can sync with the immobiliser system of your car. You should be prepared to provide your locksmith with information about your vehicle when they call.
Keyless Entry
If you have keys-less entry on your Fiat 500, you can lock and unlock the car from any location with the click of a button. This technology is increasingly common in all types of cars that adds security and convenience to the use of your car.
Examine your remote keyless entry system isn't working. The battery that powers the coin inside the fob might be dead. Replace the battery with a fresher one with the same voltage size, type and size as the original one if it's depleted. You should also make sure that the contacts of the battery are free of corrosion or dust.
The key fob comes with rubber seals that protect the electronic chip from water, but prolonged exposure to soapy or salty water may 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 into. You can also clean the electronic component using isopropyl or an electronic cleaner.
While some people might believe that keyless entry is less secure, this system is actually more secure than traditional systems due to the fact that the code that unlocks your car is rolled away after every 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 which means that keys/transponders must be precoded by the Body Control Module before they are "programmed" in the BCM. This is why a blank unwritten key cannot be programmed because the BCM must read and write the secret key to the transponder and then lock it. This is referred to as the process of cloning.
These are brand new replacement outer case OE SIP22 transponder key for your Fiat 500. They contain a chip that opens the door and then starts the vehicle. Locksmiths will need to cut them to fit your ignition.