What Fiat Key Cover Should Be Your Next Big Obsession How to Find fiat 500 spare key has become something of an iconic vehicle since its revival in 2007. The company has now kicked off a new campaign to different powertrains with a mild-hybrid version.

Replacing the battery in the key fob on a Fiat 500 is straightforward and cost-effective. The Fiat main dealer will provide the key in 10 days.

Diagnostics of a fault

The key fob is equipped with an electronic chip that communicates with the Fiat immobiliser system. This ensures that only authorized cars can start the car. If the transponder contained in your key fob is damaged or damaged, it will not be in a position to connect to the immobiliser, which means that your vehicle won't start.

It is possible to repair keys that have been broken, as long that the chip has not been physically harmed. A professional locksmith can assist with this, and they'll employ the latest technology from dealers to repair it quickly and efficiently.

It is possible to use an OBD scanner to check whether your fob is communicating with the receiver module. This is a straightforward process that can give initial indications of where the issue is. If the OBD scanner reports that there is no communication between the transmitter and receiver modules, it might be required for the fob's transceiver module to be replaced. This is a costly solution and should be left to locksmiths.

Dead Coin Battery

The most frequent cause of the key fob not working is a dead coin battery. Fortunately, this is an easy fix that takes only a few minutes. First, make sure that the key fob is within the range of your vehicle. Then, press the "Lock" or "Unlock" button to check if it responds.

If the key fob isn't in range, it may not respond at all or may only function intermittently. This could be a sign of a defective circuit board. You'll need to refer to your owner's guide for instructions on how to reprogram the keyfob in this situation.

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. Remove the old battery. Install a brand new 3-volt #CR2032 battery into the fob with the "+ side" facing to the rear cover, and the "- side" facing downwards towards the buttons made of rubber.

Water Damage

The key fob may have rubber seals that keep water from the electronic chip, it is not waterproof. A splash of water from rain or washing cycle is likely to be fine but submerging the key fob in ocean or pool water is likely to damage it.

The key fob will need to be reprogrammed if the device is exposed to water. You can follow the directions in the owner's manual or go to a professional locksmith or Fiat dealer.

A fob that's not in range could stop working. Key fobs typically have a range of around 30 feet and if they're far from the car, it won't be able recognize them. In the beginning, try moving closer to your car. If this does not work, you may have to replace the key fob. You can find the steps on how to replace the battery in a majority of automobiles on YouTube or by consulting the owner's manual. If your key fob is looking scuffed and dented, it's time to replace it.

Faulty Receiver Module

Fiat's more modern models do not require the use of a physical key to start or open the car. The cars are equipped with a remote control that sends a wireless message to the car to turn the engine on and off. Locksmiths can repair a broken key fob. Let the experts and save time and money. They can also program a new key to your Fiat.

When you are getting a replacement key for your Fiat car, you'll need to give the locksmith some details about your car over the phone. For instance, you'll need to provide the year of manufacture of your car and the name of the model. This is essential because the locksmith will need this information to make sure that the new key works with the locks in place.

You must be aware that not all locksmiths are able create replacement keys for Fiat vehicles. Find a locksmith that has a good track record and expertise in the field. This will allow you to be certain that the key will work with your vehicle and you will not waste 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 has clips of metal that keep the button cell in place and complete the circuit, therefore, if they wear out or loose it can lead to contact problems and the loss of power. Replace the battery by an identical replacement.


It is important to dry out the key fob in case it has been submerged in liquid. This can be done with isopropyl or an electronic cleaner. It is also recommended to remove the battery and clean the circuit board prior to replacing it.

If you are unable to locate a spare key, your best option is to contact the locksmith. A qualified locksmith can reprogram a Fiat transponder keys without having to see your original keys. This is a speedier and less expensive option instead of waiting for an original Fiat key from Italy to arrive. A professional locksmith will have all the tools and equipment needed to complete the replacement as fast as possible.