This Story Behind Fiat Doblo Key Fob Replacement Will Haunt You Forever!
How to Repair Fiat 500 Keys

There are many reasons why your Fiat 500 key FOB may not function properly. The tiny "watch" inside the key FOB is often dead. This is an 3.3-volt lithium CR2032 You can buy it for less than $3.
If you require keys to replace an older Fiat model, a locksmith is the one to call. United Locksmith can provide this service and also has the tools and replacement parts required.
Keys
Fiat keys may appear simple but inside is an electronic chip that connects to the immobiliser system of your car. If the chip isn't in place or programmed to the immobiliser system properly then your vehicle will not start. Luckily Car Keys Solutions are able to offer dealer-standard technology and equipment to ensure that your Fiat key can be repaired if it has suffered damage or has been lost.
The possession of a spare key is the most efficient method to keep your car running in the event of a disaster or being locked out. We can provide you with a standard blank key or a remote fob. We use only the highest-quality blanks we can find and provide quick turnaround so that you get back on the road quickly.
Some individuals will opt to go to Fiat Dealerships when they require a new ignition key, but we are able to provide a less expensive and quicker service. We can even come to you without the expense of towing your car to the dealer. This can also cut out the waiting time which is often up to 10 days for dealers.
Remotes
The remote controls on Fiat automobiles look a lot like the keys themselves, except they have an IR (infrared) LED on the bottom. This LED transmits an electronic signal to the device that opens or turns off the vehicle when pressed. The microprocessor in the key transforms the signal into a code that is then sent to the device.
This method is referred to as "keyless entry". The more recent your car is, and the more likely you will have the keyless system. The more modern your vehicle, the more features you'll likely find in it. This includes everything from locking and unlocking the vehicle with a single press to opening the doors without having to actually reach the door handle and many more.
The key fob comes with an integrated circuit chip that communicates with the immobiliser system of the car. fiat 500 key fob replacement will determine whether the key is working by checking a certain sequence in the transponder. The vehicle will not start in the event that the chip is not present or in the event that it is not programmed to the correct immobiliser system.
When the key fob is damaged, a locksmith may make a replacement. The locksmith will also need to program the new key to sync up with the immobiliser system of the car. It is recommended to provide your locksmith details regarding your vehicle whenever they call.
Keyless Entry
With a keyless entry on your Fiat 500 you can lock or unlock your car with just a touch of the button. This technology is becoming more popular in cars of all kinds and ages, and it adds convenience and safety to your vehicle's use.
Check to see if the remote keyless entry system is not working. The battery that powers the coin inside the fob may be dead. Replace the battery with a fresher one with the same voltage size, type, and size as the one that came with it if it's depleted. You should also make sure that the battery's contacts are free of dust or corrosion.
The rubber seals on the key fob guard the chip from water. However prolonged exposure to salty or soapy water could 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 clean the electronic chip with isopropyl, or electronic cleaner.
The keyless entry system is more secure than traditional systems, because it generates the code that is used to unlock your car after each use. This means that even if hackers intercept the signal that they receive, they will not be able to gain permanent access to your car.
Transponders
Fiat utilizes a crypto key transponder, which means that keys and transponders have to be precoded with a secret code that is generated by the Body Control Module (BCM) before being "programmed" into the BCM. This is the reason why an unwritten key cannot be programmed, as the BCM has to read & write the secret key to the transponder & lock it. This process is called the cloning.
These are new replacement outer case OE SIP22 transponder key for your Fiat 500. They contain a chip that opens the doors and also starts the car. They must be cut professionally by a locksmith in order to fit your ignition.