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Fiat 500 Key Fob Replacement

If your 500 keyfob stops 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 due to the original fob's battery or water damage.

First, replace the battery. The "+" side should be facing downwards.

Dead Battery

The battery is often the reason for the fob not functioning. This is a simple repair and most fobs give you a warning when the battery is failing. You can find instructions for most car fobs YouTube or in the owner's guide. You can also change it by taking it to an authorized locksmith or a dealer who supplied it to you.

Other times a fob can not function and there could be a problem with the internal circuit board. This is a bit rare but it can occur. If you dropped the fob on a hard object, it can damage the internal chip. This can also happen when you use an aftermarket key and the fob doesn't work. In this instance it is required to go to a dealer or locksmith to get the key reprogrammed to work with your 500.

One 2012 FIAT 500 Flip Key Remote that resembles Ilco brand with lock, unlock and trunk buttons. This is a new keyless entry remote (will require cutting & programmed by a locksmith)

Damaged Chip

A fiat 500 key fob is an electronic device that transmits the signal to the car to start after 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 won't transmit the correct code and the car won't start. It is possible to repair this kind of damage and a locksmith will assist. United Locksmith can complete this repair on both classic and modern models, so don't hesitate to call us.

You can purchase a brand new fob and have it professionally programmed by locksmiths. This is much cheaper than going to a dealer and will function exactly the same way. You'll need to provide some details to the locksmith, like the year that your car was manufactured and the model.

If you are not sure of the best solution to this issue Try scratching the chip with a US dollar bill. The copper in the bill is abrasive and will remove dirt and oxidation. However, it won't harm the microchip. The chip may not be repaired in the event of physical damage. This can happen when you drop it or run it over by your vehicle.

Water Damage

Water damage is likely to happen on your key, regardless of whether you dropped them in the water accidentally, left them in the pocket while swimming, or splashed water over them during a rainy afternoon. Even if you only have a small amount of water on the key, it can cause major problems for its electronics.

The good news is that you can often solve this issue by taking off the fob's key and using a paper towels to rid it of any remaining water or dirt. After the fob is dry you can replace the battery. It should then start working normally.

You can also take it to an auto repair shop or locksmith to have it professionally cleaned and programmed. These professionals can use special equipment to make sure that the key fob works with your car's computer system.

If your Fiat 500's keys fob fails to function, it can be stressful and disorienting. It can be expensive and cumbersome to take your key fob to a dealer. A locksmith can replace your key fob without having to visit a dealership. They are a better choice than an auto dealer.

Pairing Issues

If you lose your key fob, or it stops working and there is nothing wrong with it there could be a chip that has gone off the rails. This could be due water damage or an unresponsive battery.

This is often done by following the directions in your owner's manual. However it's recommended to have an automotive locksmith perform this procedure if you're having difficulties or the steps in the manual don't work for you. This will ensure that the chip isn't damaged, and it's the most affordable alternative.





Another issue with 500 owners is that the key fob doesn't secure the car. This could be a major problem if you're heading to the gas station to refill. Some owners have reported that their 500's locking system has been damaged and they have needed to replace the entire intermediate steering shaft. Fiat has actually mentioned this issue in a technical bulletin (TSB).

If you're having trouble with your Fiat or other car, an experienced locksmith could help. They can duplicate your current key or create a brand new one that is able to lock and start the car. They can do this without having access to your old key, and is usually cheaper than purchasing one from the dealer.