How to Repair Fiat 500 Keys
There are a few reasons your Fiat 500 key FOB may stop working. One of the most frequent is when the small "watch" battery that's inside dies. This is an 3.3-volt lithium CR2032 You can buy it at a price of less than $3.
A locksmith is the ideal place to call when you need a new car key for the classic Fiat model. United Locksmith offers this service and offers all the tools and parts needed.
Keys
Fiat keys may appear to be simple, but inside is an electronic chip that communicates with the immobiliser system of your car. If this chip is not in place or programmed to the immobiliser system in a correct manner then your vehicle will not start. Luckily, Car Keys Solutions are able to offer dealer-standard technology and equipment to ensure your Fiat key can be repaired, even if it has suffered damage or is lost.
Having a spare key is the most efficient way to keep your vehicle running in the event of an emergency or being locked out. Whether you need an ordinary blank or a remote fob, we can help. We use the best quality blanks available and offer quick turnaround so that you get back on the road as quickly as possible.
Some individuals will opt to go to a Fiat Dealership if they require a replacement key, however we can offer you a cheaper and faster service. We can be there for you to save you the expense of towing your car to the dealer. This can also cut out the waiting time, which can take up to 10 days at a dealer.
Remotes
The remote controls on Fiat vehicles are like keys, however they come with an IR LED (infrared). The LED transmits an electronic signal to the device which opens or turns off the vehicle when pressed. The microprocessor inside the key transforms the signal into a number that is then sent to the device.
This is also known as "keyless entry". The more recent your vehicle is, and the more likely it is that you have keysless entry. The more advanced your car, the more features it will come with. This includes locking and unlocking your car with a one touch or opening the doors without touching the handle, and so much more.

The key fob is equipped with an integrated circuit chip that communicates with the immobiliser system in the car. The system can tell if the correct key is present by looking for a specific sequence of numbers in the transponder chip. The vehicle will not start in the event that the chip is not present or if it's not programmed to the right immobiliser system.
A locksmith can repair the key fob in case it is damaged. The locksmith will also have to program the new key so that it can sync with the immobiliser system of your vehicle. You should be prepared to provide your locksmith's details regarding your vehicle whenever they call.
Keyless Entry
With a keyless entry feature on your Fiat 500 you can lock or unlock the car with the touch of the button. This technology is becoming more common in all cars of all ages and types and adds convenience and safety to your vehicle's use.
If your remote keyless entry system isn't working Check to see if the coin battery in the fob has gone dead. If the battery is depleted, replace it with a new one that is of the same voltage, size, and type as the original. It is important to ensure that the battery's contacts are free of corrosion or dust.
The rubber seals on the key fob shield the electronic chip from water. However long-term exposure to salty or soapy water could cause the chip to fail. If your key fob has been exposed to water, you must remove it and allow the battery to dry completely before replacing it. You can also clean the electronic chip using isopropyl alcohol or an electronic cleaner.
Although some may think 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 up after each use. thekeylab means that hackers will not be able gain permanent access to your vehicle, even if they intercept the signal.
Transponders
Fiat uses a crypto-key transponder system this means that keys/transponders need to be precoded by the Body Control Module before they are "programmed" by the BCM. A blank key that has not been programmed cannot be done because the BCM must read and write its secret key to the transponder before locking it. This is known as cloning.
These are new replacement outer case SIP22 transponder keys to your Fiat 500. They feature a chip which unlocks the door and opens the vehicle. Locksmiths will need to cut the chip to fit your ignition.