How to Find a Fiat 500 Spare Key

Fiat's iconic Fiat 500 has become an icon since its relaunch in 2007. The company has now launched an additional attack against different powertrains, including a hybrid version.

Replacing the key fob's battery on a Fiat 500 is straightforward and inexpensive. The Fiat main dealer will provide the key within 10 days.

Diagnostics of a fault

The key fob has an electronic chip that communicates with the Fiat immobiliser system to ensure that only authorised vehicles are able to start engines. If the transponder in the key fob has been damaged, it will not be able to connect to the immobiliser, which means that your vehicle won't start.

The good part is that it's attainable to fix a damaged key fob, as long as the chip is not physically damaged. A professional locksmith will utilize dealer-standard technologies to repair it quickly.

With an OBD scanner, it is possible to determine if the fob is still communicating with the receiver module. This is a quick and simple procedure that will give you an initial indication of the issue. If the OBD scanner shows that there is no communication between the transmitter and receiver modules, it may be required for the fob's transmitter module to be replaced. This is a cost-effective 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. It's an easy fix that can be completed in just a few minutes. First, ensure that the key fob is within the range of your vehicle. Then, press the "Lock" or "Unlock" button to check if it responds.

The key fob could not work at all, or only intermittently, if it is out of range. This could be an indication of a damaged circuit board. You'll need to consult the owner's guide to get instructions on how to reprogram the keyfob for this scenario.

The mechanical latch can be removed from the back of the key fob. (See the image below). Then, gently remove the edges of the battery holder close to the switch and remove the old coin cell battery. Install a brand new 3-volt #CR2032 battery into the fob with the "+ side" facing the cover on the rear and the "- side" directed towards the rubber buttons.

Water Damage

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

The key fob has to be reprogrammed when it is exposed to water. This process can be done by following the instructions in the owner's manual, or by bringing it to a professional auto locksmith or a Fiat dealer.

A fob that is out of range may not function. Key fobs typically have a range of around 30 feet, and if they're too far from the vehicle, it won't be able to recognize them. The first step is to get closer to your car. If that doesn't work, the key fob battery may need to be replaced. You can find information on how to replace the battery in most automobiles on YouTube or by consulting the owner's guide. If your key fob looks scuffed and dented, it's time to replace it.

Faulty Receiver Module

Modern Fiat models do not require the use of a key to start or open the car. These cars have a key fob that sends a wireless signal to the car, allowing it to turn off and on the engine. A locksmith can replace the damaged key fob. Leave this job to the experts and save time and money. They can also create a new key for your Fiat.

If you're getting an additional key for your Fiat car, you'll need to provide the locksmith details about the car over the phone. You'll need to provide the locksmith information about your car, such as the year it was made and the model. This is vital as the locksmith will require this information to make sure that the new key works with the locks in place.

You will need to know 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 new 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 to stop functioning is a dead coin-cell 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 cause contact issues and a lack of power. Replace the battery by the same one, but with a different design.

If the key fob has been submerged in water, it is vital to dry it before re-inserting it. Using isopropyl alcohol or electronic cleaner is a great method to accomplish this. It is also advisable to take the battery off and clean the circuit board prior to replacing it.

If you're unable to find a spare key the best solution is to contact a locksmith. A qualified locksmith can reprogram a Fiat transponder key, without needing to see the original keys. This is a faster and less expensive option than waiting for a genuine Fiat key from Italy to arrive. A professional locksmith will have all the tools and equipment needed to replace your key as swiftly as possible.