Fiat 500 Key Fob Replacement
If your 500 key fob isn't working Try another one to see if the vehicle can detect it. If it does, the problem is likely with the original fob's battery, or water damage.
Replace the battery first. Make sure that the new #CR2032 coin cell battery is properly inserted with the "+" side facing downwards in the fob.
Dead Battery
The majority of the time, when a fob isn't working it's because the battery is dying. It's simple to fix it Most fobs give you a warning if the battery is not fully charged. You can find the correct procedure for most car fobs YouTube or in the owner's manual. You can also bring it to a local locksmith or the dealer who gave it to you to repair it.
Other times, a device can stop working and there may be an issue with the circuit board inside. It's rare, but it does occur. If you dropped the fob onto something hard, it could damage the internal chip. It can be a problem if you have an aftermarket fob and the key doesn't work. In this scenario, you will be required to go to an expert locksmith or dealer and get it reprogRammed to work with your 500.
One 2012 FIAT FIAT 500 flip key remote - resembles Ilco with lock, unlock and trunk buttons - new keyless entry replacement (will require cutting and program by locksmith).
Damaged Chip

Fiat 500 key fobs are wireless devices that transmit an electronic signal to the car every time you press the button. It contains a microchip with details about the code required to connect with your car. If the chip is damaged, it will not transmit the correct code, and the car will not start. Locksmiths can repair this type of damage. United Locksmith can complete this service on both classic and newer models, so do not hesitate to call.
You can purchase a brand new fob and have it programmed professionally by locksmiths. It's less expensive to do this than go to a dealer and it works just as well. Locksmiths will require specific details from you, like the year that your car was built and the model's name.
If you are not sure how to solve this issue, try rub the chip with the help of a US dollar bill. The copper in the bill is abrasive enough get rid of dirt and oxidation but it will not cause any harm to the microchip. If the chip is physically damaged it might not be in a position to be repaired. This could happen if you drop the chip or run it over by your vehicle.
Water Damage
Water damage is likely to happen on your fob, no matter if you dropped it in the pool by accident, left them in pockets while swimming, or splashed them with water during a rainy afternoon. Even if it's just a small amount of water on the key, it could cause serious problems to its electronics.
You can usually fix this problem yourself by taking the fob off and cleaning it with a paper towel. Once the fob has dried it is possible to replace its battery. It will then begin working again.
You can take it to an auto shop or locksmith to get it professionally programmed and cleaned. They can employ special equipment to ensure that the key fob functions with the car's computers.
When the key fob on your Fiat 500 stops working, you may be frustrated and overwhelmed. It can be costly and difficult to transport your key fob to the dealer. Locksmiths can replace your key fob, without having to visit an establishment. They are a better choice than a dealer, as they can handle all aspects of the replacement of your car's key fob without the need for a dealership visit.
Pairing Issues
When you drop your key fob or it stops working but there's nothing wrong with it this could be because of the chip has gone out of sync. fiat punto replacement key could be due to water damage or a dead battery.
In most cases, this can be accomplished by following the instructions in the owner's manual. However it's best to have an automotive locksmith assist you if you're experiencing issues or the instructions in the manual don't work for you. This will ensure that the chip is not damaged, and it's the most economical option.
Some 500 owners have also reported that their keys won't allow them to lock their cars. This could be a major issue if you're going to an gas station to refill. Some owners have reported the locking mechanism on their 500's failing and having to replace the entire intermediate shaft for steering. This issue has been described in a technical support bulletin (TSB) by Fiat.
If you're having problems with your Fiat car, the services of a reliable locksmith can help. They can duplicate your key or create an entirely new one that can lock and start the car. They're able to do this without seeing your old key and are generally much cheaper than getting it from a dealership.