Fiat 500 Key Fob Replacement
If your 500 keyfob ceases working, you can use a different one to see if it is able to be recognized by the car. If it does, the issue is most likely to be with the original fob's battery or water damage.
First, replace the battery. Make sure the new # CR2032 coin battery is inserted correctly, with the "+" side facing down inside the fob.
Dead Battery
The majority of the time, when a fob doesn't work, it's because the battery is dead. This isn't a problem to fix and the majority of fobs will provide you with a warning if the battery is dying. You can find the instructions for the majority of car fobs on YouTube or in the owner's manual. You can also bring it to a local locksmith or the dealer that sold it to you to replace it.
Other times, a device can not function and there could be an issue with the circuit board inside. It's rare, but it does happen. If you dropped the fob onto something hard, it could cause damage to the internal chip. This can also happen when you use an aftermarket key and the fob does not function. In this instance you'll need to visit a dealer or a locksmith and have it reprogrammed to work with your 500.
One 2012 FIAT FIAT 500 flip key remote that resembles Ilco with locks, unlocks and trunk buttons - new replacement keyless entry (will require cutting and program by locksmith).
Chips damaged

Fiat 500 key fobs are wireless devices that send an alert to the car whenever you press the button. Full Document has a microchip that holds details about the code required to connect with your car. If the chip is damaged, it will not send the correct code, and the car will not start. Locksmiths can fix this type of damage. United Locksmith can complete this repair on both classic and modern models, so don't hesitate to contact us.
You can buy a new fob and have it programmed professionally by locksmiths. This is much less expensive than going to the dealer and will work just as well. You'll need certain information to the locksmith, for example, the year in which your car was manufactured and its model.
If you are not sure how to solve this issue Try using the help of a US dollar bill. The copper in the bill is abrasive, and will remove oxidation and dirt. However, it won't harm the microchip. If the chip is physically damaged, however, it may not be in a position to be repaired. This can happen if you drop it, run it over by accident with your vehicle or other form of physical force.
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 that your fob may have water damage. Even if you only have an ounce of water on the key, it could cause serious problems with its electronic components.
The good news is that you can often fix this problem by removing the key fob and using an old towel to scrub it of any remaining dirt or water. When the fob is dry, you can then replace its battery and it should begin working properly.
You can take it to an auto repair shop or locksmith to get it professionally programmed and cleaned. These professionals can use special equipment to ensure that the key fob functions with the computer in your car.
If your Fiat 500's keys fob isn't working, it can be frustrating and stressful. It's costly and cumbersome to take your key fob to a dealer. Locksmiths can take care of every aspect of your car's key fob replacement without the need for a dealership visit. Because of this, they are a far better choice than an auto dealer.
Pairing Issues
If you drop your key fob or it stops working, and there's nothing problem It could be due to the chip that has gone off the rails. This can be due to water damage, a dead battery or it may be due to a need to reprogramme.
Often times this can be accomplished by following the directions in your owner's manual. If you're having issues or your manual isn't working then you should hire an automotive locksmith complete this task. This will ensure that the chip won't be fried and will likely be the least expensive option.
A number of owners have reported that their key fobs won't allow them to lock their cars. This can be a problem if you intend to fill up at a gas station. Some owners have stated that the locking system on their 500 has malfunctioned and they've had to replace the entire intermediate steering shaft. Fiat has actually mentioned this issue in a technical bulletin (TSB).
If you're experiencing issues with your Fiat vehicle, an experienced locksmith can assist. They can duplicate your key or create a new one that locks and starts the vehicle. They are able to do this without looking at your old key, and it's generally less expensive than buying a key from a dealer.