How to Find a Fiat 500 Spare Key
Fiat's classic 500 has become an iconic car since its relaunch in 2007. The company is now kicking into a larger offensive toward different powertrains by launching a mild-hybrid version.
Replacing the key fob battery on the Fiat 500 is straightforward and inexpensive. It takes around 10 days for the key to be shipped from the Fiat main dealer.
Diagnostics of a fault
The key fob comes with an electronic chip which communicates with the Fiat immobiliser system. This guarantees that only authorized vehicles are able to start the car. If the transponder contained in the key fob has been damaged, it will not be in a position to connect to the immobiliser, which means your vehicle will not start.
The good thing is that it's possible to repair a damaged or broken key fob if the chip is not physically damaged. A professional locksmith will employ the same technology used by dealers to repair it quickly.
By using 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 provide a first 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 transceiver module to be replaced. This is a costly option, so it's best left to an expert locksmith.
Dead Coin Battery
The most common cause of a key fob that isn't working is a dead coin battery. This is an easy fix that only takes about a couple of minutes. First, make sure that the key fob is within the range of your vehicle. Then, try pressing the "Lock" or "Unlock" button to test if it responds.
The key fob might not function at all, or maybe only intermittently, if it is out of range. This could be an indication of a defective circuit board. In this case you'll need to refer to the manual of the 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 pry out the edges of the battery holder close to the switch and remove the old coin cell battery. Insert a new #CR2032 3 volt battery into the fob with the "+ side" facing the rear cover and the " side" looking down towards the rubber buttons.
Water Damage
Although the key fob has rubber seals that keep water out of the electronic chip inside, it is not waterproof. A splash of water from rain or washing cycle is likely to be acceptable however, submerging the key fob in pool or ocean water is likely to damage it.
The key fob needs to be reset if it is exposed to water. Follow the steps in your owner's manual or go to a professional locksmith or Fiat dealer.
Another reason why a fob can stop working is that it's not in reach of your vehicle. The range of a key fob is usually around 30 feet. If they're too far from your car, it may not recognize the fob. The first thing to try is to move closer to your car. If this does not work, you may require replacing the key fob. You can find instructions on how to replace the battery on most vehicles either on YouTube or by reading the owner's guide. If your key fob looks 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. These cars use a remote control that sends a wireless message to the car to switch the engine off and on. If you have a broken key fob, a locksmith is able to replace it for you. You can leave this task 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, you will need to provide the locksmith with some information about your car on the phone. You'll need to provide the locksmith details about your car, including the year it was made and the model. This is important because the locksmith will require this information to make sure that the new key works with the existing locks.
Not all locksmiths can make replacement keys for Fiat automobiles. You must choose one with a great reputation and has experience in this area. This will allow you to be sure that the new key will work with your car and you won't be wasting money.
Keys that are not paired
If you have a key fob which has isn't functioning, the most likely cause is an unresponsive coin battery. The key fob has clips made of metal that hold the button cell in place and complete the circuit, so when these are worn or damaged, it could cause contact issues and not being able to power. Replace the battery by another, identical one.
It is important to dry out the key fob when it has been submerged in liquid. This can be done with isopropyl or electronic cleaner. It is also advisable to take the battery off and clean the circuit board before replacing it.
If you're not able to locate a spare key, your best bet is to call an locksmith. understanding with the ability to reprogram Fiat transponder keys can do so without needing to look at the original keys. This is a much faster and less expensive option than waiting for an original Fiat key from Italy to arrive. A professional locksmith has the tools and equipment needed to replace your keys as quickly as they can.