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The Reasons Fiat Key Cover Is More Difficult Than You Imagine
How to Find a Fiat 500 Spare Key

Fiat's classic 500 has become something of an iconic car since its relaunch in 2007. The company is now planning an additional attack against different powertrains, including a hybrid version.

Replacing the key fob battery on a Fiat 500 is straightforward and affordable. It takes approximately 10 days for the key to be received from the Fiat main dealer.

Diagnostics of a fault

The key fob houses an electronic chip that communicates with your Fiat's immobiliser system to ensure that only authorised vehicles can start the engine. If the transponder chip on your key fob is damaged, it will not be able to link up to the immobiliser unit, which means your car won't be able to start.

It is possible to repair a key fob that has been damaged, as long that the chip isn't physically harmed. A professional locksmith will use the same technology used by dealers to repair it quickly.

Utilizing an OBD scanner, it's possible to check if the fob is still communicating with the receiver module. This is a fast and easy process that can provide you with a first indication of the issue. If the OBD scan tool shows that communication between the transmitter and receiver modules isn't happening, it may be necessary to replace the transmitter module of the fob. This is an expensive option and should be left to locksmiths.

Dead Coin Battery

The most common cause of an unresponsive key fob is a dead coin battery. Fortunately, this is simple fix that takes minutes. First, make sure that the key fob is in the range of your vehicle. Press the "Lock" and "Unlock" buttons to determine whether they respond.

If the key fob is not in range, it might not respond at all or it may only function intermittently. This could be an indication that the circuit board inside the key fob has gone out of date. In this situation, you'll need to consult your owner's manual for instructions on how to reprogram the key fob.

You can change the battery by removing the mechanical latch on the back of the fob (see the image below). Then, gently pull the edge of battery holder away from the switch to release the old battery. Insert a new #CR2032 3-volt battery into the fob with the "+ side" facing the rear cover and the "- side" directed towards the buttons made of rubber.

Water Damage

While the key fob is fitted with rubber seals that keep water out of the chip, it's not waterproof. A splash of rain or a wash cycle is likely to be fine however, submerging the key fob in pool or ocean water is likely to damage it.

If the key fob is exposed to water and stops functioning the device will need to be reprogrammed. This can be done by following the instructions in the owner's manual, or by taking it to a professional auto locksmith or a Fiat dealer.

A fob that's out of range could stop working. Key fobs typically have a range of approximately 30 feet and if they're far away from your car, they won't recognize them. The first thing to try is to get closer to your car. If fiat 500x key fob 're not able to get it working, the battery for your key fob may require replacement. There are instructions on how to replace the battery in most automobiles on YouTube or by consulting the owner's manual. If your key fob looks scuffed and dented, it's time to replace it.

Faulty Receiver Module

In more modern models of Fiat cars you don't need a physical key to open the car or start it. They use a remote control that transmits an encrypted wireless signal to the car to switch the engine off and on. If you've damaged your key fob, a locksmith can replace it for you. Let the professionals and save time and money. They can also program a brand new key for your Fiat.

If you're getting a replacement key for your Fiat vehicle, you'll need to provide the locksmith with some information about the car over the phone. For instance, you will be required to give the year of production for your car, along with the model's name. This is essential because the locksmith will require this information to ensure that the new key will work with the existing locks.

It is important to note that not all locksmiths are able make replacement keys for Fiat vehicles. Find a locksmith that has an excellent track record and expertise in the field. This way, you can be certain that the key will work with your vehicle and you won't be wasting money.


Keys that are not paired

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 so when these are worn or loose it can cause contact issues and a lack of power. Replace the battery by another, identical one.

It is crucial to dry out the key fob if it is submerged in liquid. This can be done with isopropyl or electronic cleaner. It is also recommended to take the battery off and clean the circuit board prior to replacing it.

Contacting a locksmith is the best option if you cannot find an extra. A qualified locksmith can reprogram the Fiat transponder key without needing to look up 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 will also have the equipment and tools needed to complete a replacement as quickly as possible.