How to Find a Fiat 500 Spare Key
Fiat's classic Fiat 500 has become a classic since its relaunch in 2007. The company has since kicked off a new campaign to various powertrains, including a mild hybrid version.
Replacing the key fob battery on the Fiat 500 is straightforward and cost-effective. The Fiat main dealer will hand over the key in 10 days.
Troubleshooting
The key fob is equipped with an electronic chip which communicates with the Fiat immobiliser system. This ensures that only cars with a valid license are able to start the car. If the transponder contained in your key fob is damaged, it will not be in a position to connect to the immobiliser, which means your vehicle will not start.
The good news is that it's feasible to repair a damaged key fob provided that the chip is not physically damaged. A professional locksmith can assist with this issue, and they'll employ the latest technology from dealers to repair it quickly and effectively.

It is possible to use an OBD scanner to check if your fob is still communicating with the receiver module. This is a quick and simple process that could give you a first indication of the issue. If the OBD scan tool shows that communication between the transmitter and receiver modules isn't happening it could be necessary to replace the transmitter module of the fob. This can be a pricey option, and it's best left to a professional locksmith.
Dead Coin Battery
The most frequent reason for a key fob that isn't working is a dead coin battery. This is an easy fix that takes a few minutes. Ensure that the key fob can be seen by your vehicle. Then, try pressing the "Lock" or "Unlock" button to see if it responds.
The key fob could not function in any way, or just intermittently, if it is out of range. This could be an indication of a bad circuit board. In this case, you'll need to consult the manual of your owner for instructions on how to reprogram the key fob.
The mechanical latch can be removed from the back of the key fob. (See the image below). Then, gently pull out the edge of the battery holder, close to the switch and then remove the old coin cell battery. Then, you can insert a brand new #3 volt battery into the fob holder with the "+" side facing towards the cover on the rear of the key fob with the "-" side facing down toward the buttons made of rubber.
Water Damage
The key fob is not waterproof even though it is fitted with rubber seals that prevent water from getting inside the electronic chip. A splash of water from rain or a wash cycle is likely to be okay but submerging it fob in ocean or pool water is likely to damage it.
If the key fob is exposed to water and ceases to function, it will need to be reset. Follow the steps in the owner's manual or take it to an experienced locksmith or Fiat dealer.
Another reason why a fob may stop working is that it's out of the range of your car. Key fobs generally have a range of approximately 30 feet and if they're far away from your car, they won't recognize them. In the beginning, try moving closer to your vehicle. If you're not able to get it working, the key fob's battery may need to be replaced. There are instructions on how to replace the battery in most automobiles on YouTube or by reading the owner's manual. If your key fob appears damaged and scratched, then 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 have a remote control which sends a wireless message to the car in order to switch the engine off and on. If you have a broken key fob, a locksmith will replace it for you. Don't worry about it to experts and save time and money. They can also program the new key for your Fiat.
When you are getting an extra key for your Fiat vehicle, you'll need to provide the locksmith with information about the car over the phone. For instance, you will be required to give the year of production of your car as well as the model's name. This is crucial because locksmiths require it to ensure that the new key is compatible 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 an established track record and experience in the field. You can be sure that the key will be able to work for your car and you won't be wasting money.
Keys that are unpaired
If you have a key fob which has stopped functioning, the most likely reason is a dead coin battery. The key fob has metallic clips that secure the battery in place and completes the circuit. If these clips wear out or loose, it can result in contact issues and then no power. Replace the battery with a fresh one of the same voltage, size and specifications, or a spare.
It is crucial to dry out the key fob in case it is 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 and clean the circuit board before replacing it.
If fiat 124 spider key fob cover 're not able to find a spare key, the best choice is to contact a locksmith. A locksmith who is certified to reprogram Fiat transponder keys can do this without the need to see the original keys. This is a speedier and cheaper option than waiting for a genuine Fiat key from Italy to arrive. A professional locksmith will also have the tools and equipment needed to complete a replacement in as little time as is possible.