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Fiat Key Cover Tools To Help You Manage Your Daily Life
How to Find a Fiat 500 Spare Key

Fiat's classic 500 has become something of an iconic vehicle since its revival in 2007. The company is now planning an additional attack against different powertrains with the launch of a mild hybrid version.

Replacing the battery for the key fob on a Fiat 500 is straightforward and cheap. The Fiat main dealer will hand over the key in approximately 10 days.

Fault Diagnosis

The key fob comes with an electronic chip which communicates with the Fiat immobiliser system. This makes sure that only authorized vehicles can start the vehicle. If the transponder inside your key fob has been damaged, it will not be capable of connecting to the immobiliser, which means your vehicle will not start.

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

Utilizing an OBD scanner, it's possible to check if the fob is still communicating with the receiver module. This is a straightforward process and can provide an initial indication of where the problem lies. If the OBD scanner says 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 an expensive option and should be left to a locksmith.

Dead Coin Battery

A dead battery for the coin is the most frequent reason for the key fob to not work. This is an easy fix that takes just a few minutes. Make sure the key fob can be seen by your vehicle. Press the "Lock" and "Unlock" buttons to check whether they respond.

If the key fob's signal is out of range, it may not respond at all or only intermittently. This could be an indication of a defective circuit board. In this scenario you'll need to refer to your owner's manual for instructions on how to reprogram the key fob.

You can replace the battery by pulling off the mechanical latch that is on the back of the fob (see the image below). Then, gently pull the edge of the battery holder away from the switch to remove the old battery. Put a brand new #CR2032 3-volt battery into the fob with the "+ side" facing to the rear cover, and the "- side" directed towards the rubber buttons.

Water Damage

The key fob isn't waterproof even though it has rubber seals that prevent water from entering the electronic chip. The key fob is likely to be fine in the event of the splash of rain or water from a washing cycle, but submerging it in pools or ocean waters is not recommended.

G28 Car Keys has to be reprogrammed if the device is exposed to water. You can follow the directions in the owner's manual or visit an experienced locksmith or Fiat dealer.

Another common reason a fob might stop working is because 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. For starters, try moving closer to your car. If this doesn't work, then the key fob's battery may need to be replaced. You can find information on how to replace the battery in all vehicles either on YouTube or by consulting the owner's manual. If your key fob appears scuffed and dented, it's time to replace it.

Faulty Receiver Module

Modern Fiat models do not require an actual key to start or open the car. The cars are equipped with a remote control that sends an electronic message to the car in order to turn the engine off and on. If you've lost your key fob, a locksmith can replace it for you. You will save time and money by delegating the job to the experts. They can also program a brand new key for your Fiat.

You'll need to give the locksmith a few details over the phone when you need a replacement Fiat key. You'll need to provide the locksmith information about your car, including the year of its production and the model. This is important as locksmiths require it to ensure that the new key is compatible with the locks in place.

Not all locksmiths can make replacement keys for Fiat automobiles. Find a locksmith with an established track record and experience in the field. This means that you are sure that the new key will work with your car and you won't waste money.

Keys that are not paired

If you have a key fob which has isn't functioning, the main cause is an unresponsive coin battery. The key fob has metal clips for retaining the button cell in place and complete the circuit, so when these are worn or loose it can result in contact issues and not being able to power. Replace the battery by purchasing a new one of the same size, voltage and specifications, or a spare.


It is crucial to dry out the key fob in case it was submerged in liquid. Utilizing isopropyl alcohol or an electronic cleaner is a suitable method of doing this. It is also recommended to remove the battery, clean the circuit board, and replace it before replacing.

Contacting a locksmith is the best solution if you are unable to locate an extra. A qualified locksmith can reprogram the Fiat transponder key without needing to view the original keys. This is a far cheaper and faster solution than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith has all the necessary tools and equipment to replace your key as quickly as is feasible.