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How to Find a Fiat 500 Spare Key

Fiat's iconic Fiat 500 has become a symbol since its relaunched in 2007. The company is now launching an aggressive campaign to other engines by launching a hybrid version.

Replacing the battery for the key fob on a Fiat 500 is straightforward and cost-effective. The Fiat main dealer will supply the key within 10 days.

Diagnosis of a Fault

The key fob is equipped with an electronic chip that communicates with Fiat's immobiliser system to ensure that only authorized cars are able to start the engine. If the transponder chip on 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.

The good news is that it's possible to fix a damaged key fob if the chip isn't physically damaged. A professional locksmith can help in this regard, and will utilize the standard technology of dealers to repair it quickly and efficiently.

Using an OBD scanner, it is possible to check if the fob is still communicating with the receiver module. It's a quick and simple procedure that will give you an initial indication of the problem. If the OBD scanner indicates that there is no communication between the transmitter and receiver modules, it may be necessary for the fob's transmitting module to be replaced. This could be a costly option, and should be left to an expert locksmith.

Dead Coin Battery

The most frequent reason for a key fob that isn't working is a dead battery. Fortunately, this is an easy fix that only takes minutes. Make sure that the key fob is visible to your vehicle. Then, press the "Lock" or "Unlock" button to see if it responds.

The key fob may not work in any way, or just occasionally, if it's out of range. This could be an indication that the circuit board inside the key fob has gone bad. In this instance you'll have to consult the manual of the owner for instructions on how to reprogram the key fob.

fiat 500 car key can change the battery by pulling off the mechanical latch that is on the back of the fob (see the image below). Then, gently remove the the battery holder in front of the switch and then remove the old battery. Insert a new #CR2032 3 volt battery into the fob with the "+ side" facing to the rear cover, and the "- side" directed towards the buttons made of rubber.

Water Damage

The key fob may have rubber seals that keep water from the electronic chip inside, it's not waterproof. A splash of rain or a wash cycle is likely to be okay however, submerging the key fob in ocean or pool water could cause damage to it.

If the key fob is exposed to water and fails to function it will have to be reprogrammed. This process can be done by following instructions in your owner's manual or by bringing it to a professional auto locksmith or a Fiat dealer.

Another reason that a fob may stop working is if it's out of reach of your vehicle. The range of the fob's range is usually around 30 feet. If they're far away from the vehicle, it will not recognize the fob. The first step is to move closer to your car. If this doesn't work, you may have to replace the key fob. You can find replacement battery instructions for most vehicles on YouTube or in the owner's manual. This is a good time to think about getting a new key fob if yours is beginning to appear worn and damaged.

Faulty Receiver Module

In the more modern versions of Fiat cars there is no need for a physical key to open or start the car. They use an electronic remote control that sends an electronic message to the car in order to turn the engine off and on. Locksmiths can repair the broken keyfob. Leave this job to the experts and save time and money. They can also program a new key for your Fiat.

You will need to give the locksmith some details over the phone when you need a replacement Fiat key. You'll need to provide the locksmith details about your car, such as the year it was manufactured and the model. This is essential since the locksmith will require this information to make sure that the new key will work with the locks in place.

Not all locksmiths can make replacement keys for Fiat automobiles. Choose a locksmith who has a good track record and experience in the field. You can rest assured that the key will work with your car and you won't waste money.

Keys that are unpaired

If you have a key fob that has isn't working, the most common reason is the battery is dead. The key fob has metal clips that hold the battery in place and are part of the circuit. If these clips wear out or loose, it can cause contact issues and lose power. Replace the battery by another, identical one.

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


If you're unable find a spare key the best solution is to call an locksmith. A licensed locksmith can reprogram a Fiat transponder keys without having to see your original keys. This is a less costly and faster solution than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith will have all the tools and equipment required to complete the replacement in as little time as possible.

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Pub: 26 Apr 2024 06:01 UTC
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