How to Find a Fiat 500 Spare Key
Fiat's classic Fiat 500 has become a symbol since its relaunch in 2007. The company is now planning a larger offensive to different engines by launching a 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 delivered from the Fiat main dealer.
Fault Diagnosis
The key fob has an electronic chip that communicates with your Fiat's immobiliser system to ensure that only authorized vehicles can start the engine. If the transponder on the key fob is damaged or 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 fix a damaged key fob if the chip is not physically damaged. A professional locksmith can assist with this issue, and they'll make use of dealer-standard technology to fix the issue quickly and efficiently.
Using an OBD scanner, it's possible to verify if the fob is still communicating with the receiver module. This is a simple process and can provide an initial indication of the source of the issue. If the OBD scan tool indicates that communication between the transmitter and receiver modules isn't happening It may be necessary to replace the transmitter module of the fob. This is a cost-effective option and should be left to locksmiths.
Dead Coin Battery
The most frequent cause of an unresponsive key fob is a dead coin battery. Fortunately, this is simple fix that takes only a few minutes. First, make sure that the key fob is within the range of your vehicle. Then, try pressing the "Lock" or "Unlock" button to check if it responds.
The key fob could not function at all, or only intermittently, in the event that it is out of range. This could be an indication of a bad circuit board. You'll have to refer to the owner's guide to get instructions on how you can 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 pry the edge of battery holder away from the switch in order to remove the old coin-cell battery. Insert a new #CR2032 3 volt battery into the fob with the "+ side" facing to the rear cover, and the "- side" facing down towards the buttons made of rubber.
Water Damage
The key fob isn't waterproof even though it is fitted with rubber seals to prevent water from getting inside the electronic chip. The key fob should be fine in the event of the splash of rain or water from a wash cycle however, submerging the device in the ocean or in pool water is not recommended.
If the key fob is exposed to water and fails to function, it will need to be reprogrammed. This can be accomplished by following instructions in the owner's guide or by bringing it to an auto locksmith professional or a Fiat dealer.
A fob that's out of range could stop working. Key fobs typically have a range of about 30 feet and if they're far from your vehicle, it won't be able to recognize them. In the beginning, try moving closer to your car. If this does not work, you may need to replace your key fob. There are battery replacement instructions for the majority of vehicles on YouTube or in the owner's manual. This is a great time to consider getting a replacement key fob if the one you have is beginning to look shabby and damaged.
Faulty Receiver Module
In the more modern versions of Fiat cars you don't need an actual key to open or start the car. The cars are equipped with an electronic remote control that sends an encrypted wireless signal to the car to switch the engine on and off. If you have a broken key fob, a locksmith can replace it for you. You can leave this task to the professionals and save time and money. They can also program a brand new key for your Fiat.
When you are getting an additional key for your Fiat, you will need to provide the locksmith with some details about the car over the phone. You will need to give the locksmith details about your car, such as the year it was produced and the model. This is crucial because the locksmith will require this information to make sure that the new key will work with the existing locks.
There are not many locksmiths who can make replacement keys for Fiat cars. Find a locksmith that has an established track record and experience in the field. replacement fiat 500 key fob can be assured that the key will work for your vehicle and you won't lose money.
Keys that are not paired
The most common reason for a key fob to stop functioning is a dead coin-cell battery. The key fob comes with clips of metal that keep the button cell in place and complete the circuit, so if they become worn or broken, it can result in contact issues and the loss of power. Replace the battery by an identical replacement.
If the key fob has been submerged in water, it's essential to dry it before inserting it back into the device. This can be accomplished by using isopropyl or electronic cleaner. It is also recommended to remove the battery and clean the circuit board, and replace it prior to replacing.
If you're unable to find a spare key your best option is to contact a locksmith. A professional locksmith can reprogram the Fiat transponder key without having to view your original keys. This is a much less expensive and faster solution than waiting for a genuine Fiat key to arrive from Italy. A professional locksmith has all the tools and equipment to replace your keys as quickly as is feasible.