How to Find a Fiat 500 Spare Key

Fiat's iconic fiat keys replacement 500 has become a cult classic since its relaunch in 2007. The company has launched an aggressive campaign to other engines by launching a hybrid version.

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

Diagnostics of a fault

The key fob has an electronic chip which communicates with the Fiat immobiliser system. This ensures that only cars with a valid license can start the car. If the transponder chip on your key fob is damaged, it won't be able to connect to the immobiliser unit, and as a result, your car will refuse to start.

It is possible to repair keys that have been broken, as long that the chip has not been physically damaged. A professional locksmith can help in this regard, and will make use of dealer-standard technology to fix the issue quickly and efficiently.

By using an OBD scanner, it is possible to verify if the fob is still communicating with the receiver module. This is a simple and easy process that can provide you with a first indication of the issue. If the OBD scanner says there is no communication between the transmitter and receiver modules, it could be required for the fob's transmitter module to be replaced. This could be a costly option, so it's best left to an experienced locksmith.

Dead Coin Battery

The most frequent cause of a key fob that isn't working is a dead coin battery. This is a simple fix that only takes about a couple of minutes. Make sure that the key fob is seen by your vehicle. Press the "Lock" and "Unlock" buttons to see if they respond.

The key fob may not work at all, or perhaps only intermittently, if it is out of range. This could be a sign that the circuit board in the key fob has failed. You'll need to refer to your owner's guide for instructions on how to reprogram the keyfob in this situation.

You can replace the battery by getting rid of the mechanical latch on the back of the fob (see the image below). Then, gently pry out the edge of the battery holder close to the switch and remove the old coin cell battery. Then, put a new CR2032 3 volt batteries into the fob with the "+" side facing toward the rear cover of the key fob with the "side facing down towards the key fob with the " side facing downwards toward the rubber buttons.

Water Damage

The key fob isn't waterproof even though it is fitted with rubber seals to prevent water from entering the electronic chip. The key fob may be able to handle the rain or water from a washing cycle, but submerging it in ocean or pool waters is not recommended.

If the key fob is exposed to water and stops functioning it must be reset. You can follow the steps in the owner's manual or go to an experienced locksmith or Fiat dealer.

Another common reason a fob won't work is that it's not in distance from your car. The range of the fob's range is typically around 30 feet. If they are too far away from your vehicle, it will not recognize the fob. The first step is to move closer to your vehicle. If this doesn't work, then the key fob battery might need to be replaced. You can find battery replacement instructions for the majority of vehicles on YouTube or in the owner's manual. If your key fob looks rough and scratched, it's time to replace it.

Faulty Receiver Module

In more modern models of fiat 500 replacement key cars there is no need for a physical key to open or start the car. The cars utilize keys that transmit wireless signals to the car that turns off and turn on the engine. Locksmiths can repair the damaged key fob. You will save time and money by leaving this work to the professionals. They can also program a new key for your Fiat.

You'll need to provide the locksmith with some details over the phone if you need a replacement Fiat key. For instance, you'll be required to give the year of production of your vehicle and the name of the model. This is important because the locksmith will need this information to make sure that the new key works with the locks in place.

It is important to note that not all locksmiths are able to make replacement keys for Fiat vehicles. Choose a locksmith who has a good track record and experience in the field. This means that you are certain that the key will work with your car and you will not waste money.

Unpaired Key

The most common reason for a key fob not working is a dead coin-cell battery. The key fob contains metal retaining clips that hold the button cell in place and complete the circuit, so if they become worn or loosened, it can lead to contact problems and a lack of power. Replace the battery with a new, identical one.

If the key fob has been submerged in water, it's important to dry it out before re-inserting it. Using isopropyl alcohol or electronic cleaner is an effective way to do this. It is also recommended to remove the battery and clean the circuit board prior to replacing it.

If you're unable to find a spare key, your best option is to call locksmith. A locksmith who is experienced can reprogram a Fiat transponder key without having to see the original keys. This is a cheaper and quicker solution than waiting for a genuine Fiat key to arrive from Italy. A professional locksmith will also have the tools and equipment needed to complete a replacement as fast as possible.