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The Reason Behind Fiat Key Cover Has Become The Obsession Of Everyone In 2023
How to Find a Fiat 500 Spare Key

Fiat's classic 500 has evolved into an iconic vehicle since its relaunch in 2007. The company is now planning an aggressive campaign to other powertrains, including a hybrid version.

Replacing the battery for the key fob on the Fiat 500 is straightforward and cost-effective. It takes around 10 days for the key to be received from the Fiat main dealer.

Fault Diagnosis

The key fob contains an electronic chip which communicates with the Fiat immobiliser system. This guarantees that only authorized vehicles can start their cars. If the transponder chip inside your key fob is damaged, it will not 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 is not physically damaged. A professional locksmith can help with this, and they'll use dealer-standard technology to fix it quickly and efficiently.

It's possible to utilize an OBD scanner to check whether your device is communicating with the receiver module. It's a simple process and provides an initial indication of the root cause. If the OBD scanner indicates that there is no communication between the receiver and transmitter modules, it might be necessary for the fob's transmitter module to be replaced. This is a costly option and should be left to a locksmith.

Dead Coin Battery

The most common cause of the key fob not working is a dead coin battery. This is a simple fix that only takes just a few minutes. Make sure that the key fob can be detected by your vehicle. Then, try pressing the "Lock" or "Unlock" button to check if it 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 an indication of a damaged circuit board. replacement fiat 500 key fob 'll need to consult your owner's guide for instructions on how you can reprogram the keyfob in this situation.

You can change the battery by taking off the mechanical latch on the back of the fob (see the image below). Then, gently lift the edge of the battery holder close to the switch. Remove the old coin cell battery. Insert a new #CR2032 3 volt battery into the fob with the "+ side" facing the cover on the rear and the "- side" facing down towards the buttons made of rubber.

Water Damage

The key fob is not waterproof even though it is fitted with rubber seals to keep water from getting into the electronic chip. A splash of rain or washing cycle is likely to be okay, but submerging the key fob in ocean or pool water is likely to cause damage.

If the key fob is exposed to water and stops functioning it must be reset. This process can be done by following instructions in the owner's guide or by bringing it to an auto locksmith professional or a Fiat dealer.

A fob that is not in range may stop working. The range of the fob's range is usually about 30 feet. If they are too far from your car, then it will not recognize the fob. The first thing to try is to move closer to your vehicle. If it doesn't work, the key fob battery might need to be replaced. You can find instructions on how to replace the battery in most vehicles on YouTube or by consulting the owner's guide. If your key fob appears damaged and scratched, 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. These cars have keys that transmit wireless signals to the car that turns off and on the engine. If you've damaged your key fob, a locksmith is able to replace it for you. You can save yourself time and money by delegating the job to the experts. They can also program the new key for your Fiat.

If you're looking to purchase an additional key for your Fiat, you will need to give the locksmith some information about the car over the phone. You will need to give the locksmith details about your car, like the year it was manufactured and the model. This information is important because locksmiths require it to ensure that the new key works with the locks in place.

You must be aware that not all locksmiths can create replacement keys for Fiat vehicles. You need to look for one with a great reputation and has experience in this particular field. This will allow you to be sure that the new key will work with your vehicle and you will not waste money.

Unpaired Key

The most common reason for a key fob to stop working is a dead coin-cell battery. The key fob contains clips of metal that keep the button cell in place and complete the circuit, therefore, if they wear out or loose it can lead to contact problems and the loss of power. Replace the battery with the same one, but with a different design.

If the key fob was submerged in water, it's important to dry it out before inserting it back into the device. Using isopropyl or electronic cleaner is an effective method of doing this. It is also advisable to remove the battery and clean the circuit board before replacing it.

If you're unable to find a spare key, your best bet is to contact a locksmith. A locksmith who is experienced can reprogram a Fiat transponder key, without needing to see the original keys. This is a much less expensive and faster option than waiting for a genuine Fiat key to arrive from Italy. A professional locksmith has the tools and equipment to replace your keys as quickly as possible.

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