How to Find a Fiat 500 Spare Key

Fiat's iconic 500 has become something of an iconic vehicle since its relaunch in 2007. The company is now launching an aggressive campaign to other powertrains with the launch of a mild hybrid version.

The replacement of the key fob batteries on the Fiat 500 are simple and affordable. It takes approximately 10 days for the key to be received from the Fiat main dealer.

Diagnostics of a fault

The key fob houses an electronic chip that communicates with Fiat's immobiliser system to ensure that only authorised vehicles can start the engine. If the transponder on the key fob is damaged the chip will not be able to connect to the immobiliser. This means your vehicle will not start.

It is possible to repair the key fob of a person who has been damaged, so long that the chip isn't physically damaged. Locksmiths who are professionals will use dealer-standard technologies to repair it quickly.

Using an OBD scanner, it's possible to check if the fob is still communicating with the receiver module. This is a simple procedure and can provide first indications of the source of the issue. If the OBD scan tool indicates that communication between the receiver and transmitter modules isn't happening it is possible to replace the transmitter module of the fob. This is a costly solution and should be left to a locksmith.

Dead Coin Battery

The most common cause of the key fob not working is a dead battery. Fortunately, this is an easy fix that can be completed in about 15 minutes. Make sure that the key fob is seen by your vehicle. Press the "Lock" and "Unlock" buttons to see if they respond.

If the key fob is out of range, it might not be responsive at all, or may only function intermittently. This could be a sign of a bad circuit board. In this case you'll need to check the owner's manual to find out instructions on how to reprogram the key fob.

You can replace the battery by getting rid of the mechanical latch on the back of the fob (see the image below). Then, gently pull the edge of the battery holder away from the switch in order to remove the old battery. Then, you can insert a brand new 3 volt battery # CR2032 into the fob with the "+" side facing towards the rear cover of the key fob and the "-" side facing down towards the buttons made of rubber.

Water Damage

Although the key fob comes with rubber seals that keep water from the chip, it is not waterproof. A splash of water from rain or washing cycle is likely to be acceptable but submerging the key fob in ocean or pool water will probably damage it.

If the key fob is exposed to water and stops functioning the device will need to be reprogrammed. This process can be done using the instructions found in the owner's manual, or by bringing it to a professional auto locksmith or an Fiat dealer.

Another common reason a fob might stop working is if it's out of range from your car. Key fobs typically have a range of approximately 30 feet and if they're far from the car, it won't be able recognize them. To begin with, try getting closer to your vehicle. If you're not able to get it working, the key fob battery might require replacement. There are instructions on how to replace the battery in most vehicles on YouTube or by consulting the owner's manual. This is a good time to think about getting a new key fob in case yours is beginning to look worn and scratched.

Faulty Receiver Module

In more modern models of Fiat cars, you do not need a physical key to open the car or start it. The cars utilize keys that transmit an electrical signal to the car, allowing it to turn on and off the engine. Locksmiths can fix the damaged key fob. You can save yourself time and money by leaving the job to the experts. They can also program the new key for your Fiat.

You will need to give the locksmith a few details over the phone if you want a spare Fiat key. You'll need to provide the locksmith information about your car, such as the year it was produced and the model. This is important as locksmiths need it to ensure that the new key works with the existing locks.

Not all locksmiths are able to make replacement keys for fiat 500 replacement key cars. You must choose one with a good reputation and experience in this particular field. This means you can be certain that the key will work with your vehicle and you won't waste money.

Keys that are not paired

The most common reason for a key fob to stop working is a dead coin battery. The key fob has metallic clips that hold the battery in place and completes the circuit. When they become worn or loose, they can result in contact issues and then no power. Replace the battery with a new one with the same size, voltage, and specification, or use a spare.

If the key fob has been submerged in water, it is essential to dry it before re-inserting it. This can be accomplished using isopropyl or an electronic cleaner. It is also recommended to remove the battery and clean the circuit board, and replace it prior to replacing.

If you're not able to find a spare key your best bet is to contact a locksmith. A qualified locksmith can reprogram a Fiat transponder key without having to look up your original keys. This is a less costly and quicker solution than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith will also have the tools and equipment required to complete the replacement as quickly as is possible.