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Fiat Key Cover Tools To Simplify Your Daily Life
How to Find a Fiat 500 Spare Key

Fiat's classic 500 has become an icon since its relaunch in 2007. The company is now launching a larger offensive to different powertrains, including a hybrid version.


Replacing the key fob battery on the Fiat 500 is straightforward and inexpensive. The Fiat main dealer will hand over the key in about 10 days.

Diagnostics of a fault

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

The good part is that it's attainable to repair a broken key fob, as long as the chip isn't physically damaged. A professional locksmith can help with this, and will employ the latest technology from dealers to repair the issue quickly and efficiently.

It's possible to utilize an OBD scanner to determine whether your fob is communicating with the receiver module. This is a quick and simple process that can provide you with a first indication of the issue. If fiat ducato key replacement indicates that communication between the receiver and transmitter modules is not occurring it is possible to replace the transmitter module on the fob. This is a costly alternative, and is best left to an experienced locksmith.

Dead Coin Battery

A dead coin battery is the most frequent reason for the key fob not to function. Fortunately, this is simple fix that takes only a few minutes. First, ensure that the key fob is within range of your vehicle. Then, press the "Lock" or "Unlock" button to determine if the key fob responds.

The key fob may not work at all, or only intermittently, in the event that it is out of range. This could be an indication of a defective circuit board. You'll need to consult the owner's manual to find out on how you can reprogram the key fob in this instance.

The mechanical latch can be removed from the back of the key fob. (See the image below). Then, gently pull the edge of battery holder away from the switch in order to remove the old coin-cell battery. Then, you can insert a brand new #3 volt battery into the fob assembly with the "+" side facing towards the rear cover of the key fob, and the "+" side facing downwards towards the rubber buttons.

Water Damage

The key fob isn't waterproof even though it is fitted with rubber seals that prevent water from getting into the electronic chip. The key fob will likely be fine in the event of a splash of rain or water from a washing cycle, but submerging it in water from the ocean or pool is not recommended.

If the key fob is exposed to water and fails to function it must be reset. This can be done by following instructions in the owner's manual or by taking it to an expert auto locksmith or an Fiat dealer.

Another reason why a fob can stop working is if it's out of the range of your car. Key fobs typically have a range of about 30 feet and if they're far from the vehicle, it won't be able to recognize them. In the beginning, try moving closer to your car. If this does not work, you may require replacing the key fob. You can find replacement battery instructions for all vehicles on YouTube or in the owner's manual. This is the perfect time to think about purchasing a replacement key fob if yours is beginning to look shabby and scratched.

Faulty Receiver Module

In more modern models of Fiat cars, you do not need an actual key to open or start the car. The cars are equipped with a remote control that transmits an wireless message to the car in order to turn the engine on and off. Locksmiths can repair a broken key fob. You can save yourself time and money by leaving this task to professionals. They can also program a new key for your Fiat.

If you are looking for a spare key for your Fiat, you will need to provide the locksmith with details about your car over the phone. For instance, you will have to provide the year of production for your car and the model's name. 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 to make replacement keys for Fiat vehicles. Look for a locksmith with an excellent track record and expertise in the field. This means you can be certain that the new key will work with your vehicle and you won't be wasting money.

Unpaired Key

If you have a key fob that isn't working, the most common reason is an unresponsive coin battery. The key fob is equipped with metal clips that secure 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 an identical replacement.

If the key fob was submerged in water, it's essential to dry it before re-inserting it. This can be accomplished using isopropyl or an electronic cleaner. It is also recommended that you remove the battery and clean the circuit board and replace it before replacing.

Contacting a locksmith is the best solution if you can't find an alternative. A locksmith qualified to reprogram Fiat transponder keys can do it without the need to see the original keys. This is a quicker and less expensive solution instead of waiting for an original Fiat key from Italy to arrive. A professional locksmith will have all the tools and equipment needed to complete a replacement in as little time as possible.