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How to Find a Fiat 500 Spare Key

Fiat's 500 is an iconic vehicle since its revival in 2007. The company has since kicked off a larger campaign towards various powertrains, including a mild hybrid version.

Replacing the key fob battery on a Fiat 500 is straightforward and cheap. It takes around 10 days for the key to be shipped from the Fiat main dealer.

Diagnosis of a Fault

The key fob comes with an electronic chip that communicates with the Fiat immobiliser system. This makes sure that only authorized vehicles can start the vehicle. If the transponder contained in your key fob is damaged the chip will not be connected to the immobiliser, which means that your car will not start.

It is possible to repair keys that have been damaged, as long that the chip has not been physically damaged. A professional locksmith will employ standard technologies from dealers to repair it quickly.

With an OBD scanner, it is possible to determine if your fob is still communicating with the receiver module. This is a simple and simple process that can provide you with a first indication of the issue. If the OBD scanner shows that there is no communication between the receiver and transmitter modules, it might be required for the fob's transceiver module to be replaced. This can be a costly alternative, and is best left to an expert locksmith.

Dead Coin Battery


The most frequent cause of an unresponsive key fob is a dead battery. It's an easy fix that only takes only a few minutes. Check that the key fob is visible to your vehicle. Then, press the "Lock" or "Unlock" button to see if it responds.

The key fob could not function at all, or maybe only intermittently, if out of range. This could be an indication of a defective circuit board. It is recommended to consult the owner's manual for instructions on how to reprogram the key fob in this instance.

G28 Car Keys can replace the battery by getting rid of the mechanical latch on the back of the fob (see the image below). Then, gently remove the edges of the battery holder in front of the switch, and remove the old battery. Insert a new #CR2032 3-volt battery into the fob with the "+ side" facing the cover at the rear and the "- side" directed towards the buttons made of rubber.

Water Damage

The key fob isn't waterproof, even though it has rubber seals that prevent water from entering the electronic chip. A splash of water from rain or washing cycle is likely to be fine but submerging it fob in ocean or pool water could cause damage to it.

The key fob will need to be reset if it is exposed to water. This can be accomplished by following instructions in the owner's manual or by bringing it to an expert auto locksmith or a Fiat dealer.

Another reason why a fob might stop working is if it's out of reach of your vehicle. The range of the fob's range is typically about 30 feet. If they are far away from the car, then it will not recognize them. The first thing to try is to move closer to your vehicle. If you're not able to get it working, the key fob battery may need to be replaced. There are instructions on how to replace the battery on most vehicles on YouTube or by consulting the owner's guide. This is a good time to consider getting a replacement key fob if it is beginning to look worn and scratched.

Faulty Receiver Module

Fiat's more modern models do not require an actual key to start or open the car. The cars are equipped with the key fob which sends an electronic signal to the car that turns on and off the engine. If you've broken your key fob, a locksmith is able to replace it for you. You will save time and money by entrusting this work to the professionals. They can also program the new key for your Fiat.

You'll need to provide the locksmith with a few details over the phone if you want to purchase a spare Fiat key. For instance, you'll have to provide the year of production of your car as well as the model's name. This is vital as the locksmith will require this information to make sure that the new key will work with the locks in place.

You will need to know that not all locksmiths are able to create replacement keys for Fiat vehicles. You need to look for one with a great reputation and experience in this field. You can be certain that the key will work with your vehicle and you won't be wasting money.

Keys that are unpaired

The most common reason for a key fob not working is a dead coin battery. The key fob comes with metal clips which hold the battery in place and completes the circuit. When they become worn or loose, it could cause contact problems and no power. Replace the battery with the same one, but with a different design.

It is crucial to dry out the key fob if it has been submerged in liquid. The use of isopropyl alcohol or electronic cleaner is a suitable method to accomplish this. It is also recommended to remove the battery and clean the circuit board before replacing it.

Contacting locksmiths is the best solution if you can't find a spare. A qualified locksmith can reprogram the Fiat transponder key without having to see the original keys. This is a speedier 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 to replace your key as fast as possible.

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