How to Find a Fiat 500 Spare Key

Fiat's iconic 500 has become something of an iconic vehicle since its revival in 2007. The company is now launching an aggressive campaign to other powertrains by launching a mild hybrid version.

Replacing the battery in the key fob on the Fiat 500 is straightforward and inexpensive. It takes approximately 10 days for the key to be shipped from the fiat key replacement main dealer.

Diagnostics of a fault

The key fob contains an electronic chip which communicates with your Fiat's immobiliser system to ensure that only authorized cars are able to start the engine. If the transponder chip within your key fob is damaged, it won't be able to connect to the immobiliser unit which means that your car will refuse to start.

It is possible to repair a key fob that has been damaged, so long as the chip isn't physically harmed. Locksmiths who are professionals will use the same technology used by dealers to repair it swiftly.

By using an OBD scanner, it is possible to determine if the fob is still communicating with the receiver module. It's a quick and simple process that could give you a first indication of the problem. If the OBD scan tool indicates that communication between the transmitter and receiver modules isn't happening, it may be necessary to replace the fob's transmitter module. This is a costly option and should be left to a locksmith.

Dead Coin Battery

The most common reason for a key fob that isn't working is a dead battery. This is a simple fix that only takes about a couple of minutes. First, ensure that the key fob is in the range of your vehicle. Then, try pressing the "Lock" or "Unlock" button to determine if the key fob responds.

The key fob might not work at all, or perhaps only intermittently, in the event that it is out of range. This could be a sign of a damaged circuit board. It is recommended to consult the owner's manual for instructions on how to reprogram the keyfob for this scenario.

The mechanical latch can be removed from the back of the key fob. (See the image below). Then, gently lift the edges of the battery holder, close to the switch, and remove the old coin cell battery. Then, put a new volt battery into the fob assembly with the "+" side facing the cover on the rear of the key fob and the "--" side facing down toward the rubber buttons.

Water Damage

Although the key fob comes with rubber seals that keep water from the electronic chip inside, it's not waterproof. The key fob should be able to handle a splash of rain or water from a wash cycle, however, submerging it in water from the ocean or pool is not recommended.

If the key fob is exposed to water and stops working it must be reprogrammed. Follow the steps in your owner’s manual, or visit an expert locksmith or Fiat dealer.

Another reason a key fob can stop working is because it's out of reach of your vehicle. Key fobs generally have a range of 30 feet, and if they're too far away from your car, it won't be able recognize them. To begin with, try moving closer to your car. If it doesn't work, the key fob's battery may need to be replaced. You can find the steps on how to replace the battery on most vehicles on YouTube or by consulting the owner's guide. If your key fob looks scuffed and dented, it's time to replace it.

Faulty Receiver Module

In more modern models of Fiat cars there is no need for an actual key to open the car or start it. They use a remote control that transmits a wireless message to the car in order to switch the engine off and on. If you've lost your key fob, a locksmith can replace it for you. Let the professionals and save time and money. They can also program the new key for your Fiat.

If you're getting a spare key for your Fiat vehicle, you'll have to provide the locksmith with some details about your car over the phone. For instance, you'll be required to give the year of production for your car, along with the name of the model. This is crucial because locksmiths require it to ensure that the new key works with the locks in place.

You will need to know that not all locksmiths are able make replacement keys for Fiat vehicles. It is important to choose one that has a good reputation and has experience in this area. This way, you can be certain that the key will work with your car and you will not waste money.

Unpaired Key

If you have a keyfob that has stopped working, the most frequent reason is an unresponsive coin battery. The key fob comes with metal clips that hold the battery in place and are part of the circuit. When these become worn or loose, they could result in contact issues and then no power. Replace the battery by purchasing a new one with the same size, voltage, and specifications, or get a spare.

If the key fob was submerged in water, it's vital to dry it before inserting it again. This can be accomplished using isopropyl or an electronic cleaner. It is also recommended to take the battery off and clean the circuit board prior to replacing it.

Contacting locksmiths is the best solution if you can't find an additional. A locksmith who is certified to reprogram Fiat transponder keys can do this without the need to see the original keys. This is a far cheaper and faster solution than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith has the tools and equipment required to replace your key as fast as they can.