"The Ultimate Cheat Sheet On Car Key Cover Fiat 500
Fiat 500 Key Fob Replacement
If your 500 key fob stops working Try another one to see if your car can detect it. If it does, the issue is likely with the battery or water damage to the fob that was originally used.
Replace the battery first. The "+" side should be facing down.
Dead Battery
The majority of the time, when a fob's not working, it's just because the battery is dying. This is easy to repair and most fobs provide you with a warning if the battery is getting depleted. You can find the instructions on YouTube for almost every key fob for your car, or in your owner's manual. You can also replace it by taking it to an authorized locksmith or a dealer who has sold it to you.
Other times a fob can stop working and there may be a problem with the internal circuit board. It's not often however, it can happen. The internal chip may be damaged if you drop the fob onto something that is hard. It can also happen if you use an aftermarket fob and the key does not work. In this situation it is essential to see a dealer or locksmith to get the key reprogrammed to work with your 500.
One 2012 FIAT 500 Flip Key Remote - Look-alike Ilco brand with lock, unlock and trunk buttons. It is a replacement keyless entry remote (will require cutting and programmed by locksmith)
Damaged Chip
Fiat 500 key fobs are wireless devices that send an electronic signal to the car when you press the button. It's equipped with a microchip, which contains the information required to communicate with the car. If the chip is damaged it won't transmit the correct code, and the car won't begin. It's possible to repair this type of damage and a locksmith will assist. United Locksmith can complete this service on both classic as well as modern models, so do not hesitate to contact us.
You can buy a new fob and have it programmed professionally by a locksmith. This is less expensive than visiting a dealer, and it will work exactly the same way. A locksmith will require specific information from you, including the year that your car was manufactured as well as the model's name.
If you are not sure of the best solution to this problem Try rub the chip with a US dollar bill. The copper on the bill is abrasive enough remove dirt and oxidation, however, it won't cause harm to the microchip. If the chip is physically damaged however, it may not be able to be repaired. This could happen if lose it, drive it over with your car, or some other kind of physical trauma.
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 during a rainy day it's likely your fob will suffer from water damage. Even if it's just a small amount of water on the key, it could cause serious problems with its electronics.

The good news is that you can often solve this issue by taking off the fob's key and then using a paper towel to clean it of any dirt or water that remains. After the fob is dry, you can then replace its battery and it will start working again.
similar site can also take it to an auto repair shop or locksmith to have it professionally cleaned and programmed. These experts will be able to utilize special equipment to make sure that the key fob is compatible with the computer system in your car.
If your Fiat 500's keys fob ceases to work, it could be frustrating and stressful. You might be tempted to go to the dealer have your key fob replaced however this could be expensive and time-consuming. Locksmiths can handle every aspect of the replacement of your car's key fob without the necessity of a dealer visit. For this reason, they are a much better option than an auto dealer.
Pairing Issues
If you lose your keyfob, or it ceases to function and nothing else appears to be wrong, it could be the chip. This could be due to water damage or the battery is dead.
Often, this can be done by following the steps in your owner's manual. However, it's a good idea to get an auto locksmith take care of this if you're having difficulties or the steps in the manual don't work for you. This will ensure that the chip is not damaged, and it's the least expensive option.
Some 500 owners have also reported that their key fobs won't allow them to lock their cars. This can be a huge issue if you're driving to a gas station and want to refill. Some owners have complained that their 500's locking system has failed and they've required replacement of the entire intermediate steering shaft. This problem has actually been mentioned in a technical service bulletin (TSB) by Fiat.
A reputable locksmith is able to assist you in the event that your Fiat has issues. They're able to duplicate your existing key or they can make you an entirely new one that can lock and start the car. They can do this without seeing your old key, and is usually less expensive than buying a key from the dealer.