Fiat 500 Key Fob Replacement
If your 500 key fob doesn't work Try a different one to see if the car will recognize it. If it does, then the issue is most likely to be with the original fob's battery, or water damage.
Replace the battery first. Make sure that the new # CR2032 coin cell battery is inserted correctly, with the "+" side facing downwards in the fob.
Dead Battery
Most of the time when a fob doesn't work, it's just because the battery is dead. It's not difficult to fix, and most fobs give you a warning if the battery is in low. G28 can find the instructions for the majority of car fobs YouTube or in your owner's guide. You can also take it to an area locksmith or the dealer who supplied it to you to replace it.
Other times, a device can cease to function, and it could be an issue with the circuit board in the internal circuit. It's not a common occurrence but it could happen. The internal chip may be damaged if you drop the fob on something that is hard. It can also happen if you use an aftermarket key and the fob won't function. In this scenario, you will be required to go to a locksmith or dealer and have it reconfigured to work with your 500.
One 2012 FIAT FIAT 500 flip key remote – Looks like Ilco with lock, unlock and trunk buttons - new replacement keyless entry (will need to cut & program by locksmith).
Damaged Chip
A fiat 500 key fob is wireless device that gives an indication for the car to start when you press the button. It has a microchip that has information about the code required to communicate with the 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 repair on both classic and newer models, so do not hesitate to call us.
You can buy a new fob and have it professionally programmed by locksmiths. This is much cheaper than going to the dealer and it works just as well. A locksmith will require specific details from you, like the year in which your vehicle was built and the model's name.
If you are not sure how to solve this issue, try rubbing the chip with the help of a US dollar bill. The copper in the bill is abrasive and will get rid of dirt and oxidation. However, it will not cause harm to the microchip. If the chip is physically damaged, it might not be able to be repaired. This can happen when you drop it or get it pushed over by your vehicle.
Water Damage
Water damage is likely to happen on your key, regardless of whether you dropped them in the pool unintentionally or put them in pockets while swimming, or splashed them with water during a rainy afternoon. Even if you only have some water on the key, this can cause major problems with its electronics and hinder it from functioning efficiently.
It is possible to fix this problem yourself by taking the fob out and cleaning it using a paper towel. After the fob is dry and is dry, you can replace its battery. It should then start working normally.
You could also take your fob to a local locksmith or auto shop to have it professionally cleaned and programmed. The professionals will be able to use special equipment to ensure that the key fob works with your car's computer system.

If your Fiat 500's keys fob stops working, it can be stressful and frustrating. It's expensive and inconvenient to take your key fob to a dealer. A locksmith can replace your key fob without having to visit an auto dealer. Locksmiths are better 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 and there's nothing going on there could be a chip that is malfunctioning. This can be due to water damage or a dead battery. it may be due to a need to reprogramme.
Often, this can be done by following the steps in the owner's manual. However it's a good idea to have an automotive locksmith do this if you're having trouble or the instructions in your manual don't work for you. This will ensure that the chip won't be damaged and is likely to be the least expensive option.
Another problem with some 500 owners is that the key fob won't lock the car. This can be a huge issue if you're at an gas station to fill up. Some owners have reported the locking mechanism on their 500's failing and they had to replace the entire steering intermediate shaft. Fiat has actually addressed this problem in an technical bulletin (TSB).
A reputable locksmith can assist you in the event that your Fiat is having problems. They can duplicate the key you have or make you new keys that unlock and start your car. They're able to make this happen without ever seeing your previous key and are usually much cheaper than getting it from a dealer.