what is it worth
If your 500 key fob stops working Try a different one to see if the car will detect it. If it does, then it could be a problem due to the battery or water damage on the fob that was originally used.
First, replace the battery. The "+" side should be facing downwards.
Dead Battery
The battery is often the cause of a fob not working. This is a simple solve and most fobs provide you with a warning if the battery is depleted. You can find instructions for the majority of car fobs YouTube or in the owner's guide. You can also replace it by taking it to the locksmith or dealer who sold it to you.
Other times a fob can stop working and there may be a problem with the circuit board in the internal circuit. This is a bit rare however it can occur. If you dropped the fob onto something hard, it may damage the internal chip. It can also happen if you use an aftermarket key and the fob does not function. In this instance it is required to visit a dealer or locksmith to have the key reprogRammed to work with your 500.
One 2012 FIAT FIAT 500 flip key remote - Looks-alike Ilco with lock, unlock, and trunk buttons – new replacement keyless entry (will need to cut & program by locksmith).
Chips that are damaged
A key fob from Fiat 500 is an wireless device that sends the signal for the car to start when you push the button. It has a microchip containing details about the code required to connect with your car. If the chip is damaged, it won't transmit the correct code and the car will not start. A locksmith can fix this type of damage. United Locksmith is capable of performing this service for traditional models as well as more recent ones, so don't hesitate to call them. afraid to call them.
A locksmith can program an entirely new key fob. It's cheaper to do this rather than going to the dealer and it performs the same. A locksmith will require specific information from you, including the year in which your vehicle was built and the name of its model.
Rub the chip with an old dollar bill if you're not certain what to do. The copper in the bill is abrasive and will get rid of dirt and oxidation. However, it will not harm the microchip. If the chip is physically damaged however, it may not be repairable. This can happen when you lose it, drive it over with your vehicle or experience any other kind of physical stress.
Water Damage
If you've accidentally dropped your keys in the water, put them in your pocket while you were swimming at the beach or splashed them with water on a wet day it's likely your key fob is likely to suffer water damage. Even if you only have a tiny amount of water on the key, it could cause serious issues with its electronics and prevent it from working effectively.
The good news is that it is possible to solve this problem by removing the fob's key and then using a paper towel to clean it of any remaining water or dirt. After the fob is dry and is dry, you can replace its battery. It should then start working normally.
You can also take your key fob to a local locksmith shop or auto shop to have it professionally cleaned and programmed. They will be able to use special equipment to make sure that the key fob works with your car's computer.
If the key fob on your Fiat 500 stops working, you may be frustrated and stressed. It's costly and difficult to transport your key fob to the dealer. Locksmiths can handle every aspect of the replacement of your car's key fob without the requirement of a dealership trip. They are a better choice than the dealership.
Pairing Issues
When you drop your key fob or it ceases to function and there is nothing the issue It could be due to the chip has gone out of sync. This could be due water damage or a dead battery. it could just be that you need to reprogramme it.
This can be accomplished by following the directions in the owner's manual. However it's best to get an auto locksmith take care of this if you're having problems or if the directions in the manual don't work for you. This will ensure that the chip is not damaged, and is the least expensive option.
Some 500 owners have also reported that their key fobs won't allow them to lock their cars. This could be a problem when you need to refill at a gas station. Some owners have reported the locking mechanism of their 500's malfunctioning and having to replace the entire intermediate shaft for steering. Fiat has actually mentioned this problem in an technical bulletin (TSB).
A reputable locksmith can help you should your Fiat has issues. They'll duplicate the key you have or design new keys that lock and open the car. They can do this without having access to your old key, and it's generally less expensive than buying a key from the dealer.