How to Repair Fiat 500 Keys
There are a variety of reasons why your Fiat 500 key fob may stop working. One of the most common is when the small "watch" battery that's inside dies. This is a 3.3-volt lithium CR2032 You can buy it at a price of less than $3.
A locksmith is the best place to call when you require a new car key for an old Fiat model. United Locksmith offers this service and has all the tools and spare parts required.

Keys
Fiat keys may look simple, but inside is a chip that communicates with the immobiliser system of your vehicle. If the chip is not present, or not programmed correctly to the immobiliser, your vehicle won't be able start. Car Keys Solutions can offer you dealer-grade equipment and technology to repair your Fiat key, regardless of whether the key has been damaged or lost.
A spare key will keep your vehicle running in case of an accident or lockout. Whether you need a standard blank or remote fob we can help. We use the best quality blanks and provide rapid turnaround time to ensure you get back on the road as quickly as possible.
Many people decide to go to Fiat Dealerships to obtain a new key. We can offer the service faster and more affordable. You can also avoid the cost of towing your car to and from the dealership because we can deliver the key to you. fiat 500 replacement key cost can also cut out 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 are equipped with an IR LED (infrared). The LED sends an IR signal to the device which opens or starts the car when it is pressed. The signal is detected by a microprocessor located in the key, which converts it into a number that is then transmitted to the device.
This is also known as "keyless entry". The more recent your car is, and the more likely you are to have an electronic keypad. The more advanced your car has, the more features will come with. This includes locking and unlocking your car with a pushing a button 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 of the car. The system will determine whether the correct key is in place by examining a specific sequence of numbers in the transponder chip. The vehicle won't start when the chip isn't present or when it's not programmed with the correct immobiliser system.
If the key fob is damaged, a locksmith can make a replacement. They will also have to program the new key to sync with the immobiliser of the car. It is recommended to provide your locksmith's details regarding your vehicle whenever they call.
Keyless Entry
If you have a keyless entry system on your Fiat 500, you can secure and unlock the car from anywhere with a push of a button. This technology is becoming more widespread in vehicles of all ages and models as it provides convenience and safety to the use of your vehicle.
Check to see if the remote keyless entry system isn't working. The battery in the fob could be depleted. If the battery is depleted, replace it with a fresh one that is of the same size, voltage and type as the original. You should also make sure that the contacts of the battery are free of dust or corrosion.
The key fob has rubber seals that protect the electronic chip inside from water, but prolonged exposure to soapy or salty water can cause the chip to fail. If your key fob has been exposed to water, take it out and allow the battery to dry completely before replacing it. You can also try cleaning the electronic chip with isopropyl ethanol or electronic cleaner.
While some people might believe that keyless entry isn't as secure, the system is actually more secure than other systems because the code that unlocks your car gets rolled up after each use. This means that hackers won't have the ability to gain permanent access to your vehicle, even if they are able to intercept the signal.
Transponders
Fiat uses a crypto-key transponder system, which means that the keys and transponders have to be precoded by the Body Control Module before they are "programmed" in the BCM. This is why a blank unwritten key is not able to be programmed, as the BCM has to read & write the secret code to the transponder before locking it. This is known as the process of cloning.
These are new replacement outer cases OE SIP22 Transponder keys for Fiat 500. They feature a chip which opens the door and then starts the vehicle. They must be cut professionally by a locksmith so that they fit your ignition.