Fiat 500 Key Fob Replacement
If your 500 key fob doesn't work Try a different one to see if your vehicle can detect it. If it does, the problem is most likely due to the original fob's battery, or water damage.
Replace the battery first. Make sure that the new #CR2032 coin battery is properly inserted with the "+" side facing down on the fob.
fiat key cover of the time when a fob isn't working it's just because the battery is dying. It's not difficult to fix and most fobs will give you a warning if the battery is low. There are instructions on YouTube for almost any key fob on your vehicle or in your owner's manual. You can also replace it by taking it to an authorized locksmith or a dealer who gave it to you.
Sometimes, a fob may not function and there could be a problem with the circuit board inside. This isn't very common but it can happen. If you drop the fob on something hard it could damage the internal chip. It can occur if you use an aftermarket fob and the key does not work. In this situation you'll be required to go to an authorized locksmith or dealer and have it reprogrammed to work with your 500.
One 2012 FIAT FIAT 500 flip key remote - resembles Ilco with locks, unlocks and trunk buttons - new replacement keyless entry (will need to cut & program by a locksmith).
Chips Damaged
Fiat 500 key fobs are wireless devices that send an electronic signal to the car every time you press the button. It is equipped with a microchip that contains information about the code that will allow it to communicate with the car. If the chip is damaged it will not transmit the correct code, and the car won't begin. A locksmith can repair this type damage. United Locksmith is capable of performing this service for traditional models as well as newer ones, so don't be in a rush to call them.
You can purchase a brand new fob and have it professionally programmed by a locksmith. This is much cheaper than going to the dealer and it works similarly. A locksmith will need some specific details from you, like the year your car was manufactured and the model's name.

If you're not sure how to fix this problem Try rubbing the chip with the help of a US dollar bill. The copper in the bill is abrasive and can remove oxidation and dirt. However, it won't harm the microchip. The chip may not be repaired if it is physically damaged. This could happen if you fall it, ram it over by accident with your vehicle, or some other kind of physical force.
Water Damage
Water damage is likely to happen on your fob, no matter if you dropped them in the pool unintentionally or left them in the pocket while swimming, or splashed them with water during a rainy afternoon. Even if it only has a little water on the key, this can cause serious problems to its electronics and hinder it from working efficiently.
It is usually possible to solve this issue yourself by removing the fob and cleaning it with a paper towel. After the fob is dry and is dry, you can replace its battery. It should then start working properly.
You can also take it to an auto repair shop or locksmith to have it professionally programmed and cleaned. The professionals are able to utilize special equipment to ensure that the key fob works with your car's computer.
If your Fiat 500's keys fob ceases to work, it could be stressful and disorienting. It's expensive and difficult to transport your key fob to a dealer. Locksmiths can handle every aspect of the replacement of your car's key fob without the need for a dealership visit. They are a better choice than the dealership.
Pairing Issues
If you drop your keyfob or it stops working and nothing else seems to be wrong, it may be the chip. This could be due to water damage or a dead battery. it could just be that you need to reprogramme it.
In most cases, this can be accomplished by following the steps in the owner's manual. If you're having problems or your manual doesn't work, you should have an automotive locksmith perform this task. This will ensure that the chip is not damaged, and it's the most affordable alternative.
Another issue with 500 owners is that the key fob doesn't lock the car. This could be a problem if you want to fill up at a gas station. Some owners have stated that the locking system on their 500 has malfunctioned and they've needed to replace the entire intermediate steering shaft. Fiat has even mentioned this problem in an technical bulletin (TSB).
If you're having problems with your Fiat or other car, an experienced locksmith can assist. They'll duplicate your key, or design new keys that lock and start the car. They can accomplish this without having to see your old key and are usually less expensive than buying it from the dealership.