How to Find a Fiat 500 Spare Key

Fiat's classic Fiat 500 has become an icon since its relaunched in 2007. The company has since kicked off a bigger offensive towards different engines with a mild-hybrid version.

Replacing the battery for the key fob on a Fiat 500 is straightforward and cost-effective. It takes around 10 days for the key to be handed over from the Fiat main dealer.

Diagnostics of a fault

The key fob has an electronic chip that communicates with Fiat's immobiliser system to ensure that only authorized cars can start the engine. If the transponder contained in the key fob has been damaged the chip will not be able to connect to the immobiliser. This means that your car will not start.

It is possible to repair a key fob that has been damaged, as long as the chip isn't physically harmed. A professional locksmith can help with this, and they'll utilize the standard technology of dealers to repair it quickly and efficiently.

With an OBD scanner, it's possible to determine if the fob is still communicating with the receiver module. This is a simple procedure, and it can provide an initial indication of the root cause. If the OBD scan tool reports that communication between the transmitter and receiver modules is not happening it could be necessary to replace the transmitter module on the fob. This is a costly option and should be left to locksmiths.

Dead Coin Battery

A dead battery on a coin is the most common reason for the key fob to not work. It's an easy fix that takes about 15 minutes. First, make sure that the key fob is within range of 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 might only work intermittently. This could be a sign of a defective circuit. You'll have to refer to the owner's manual for instructions on how to reprogram the keyfob for this scenario.

The mechanical latch can be removed from the back of the key fob. (See the image below). Then, gently pull out the the battery holder close to the switch and then remove the old battery. Then, put a new volt battery into the fob assembly with the "+" side facing the cover on the rear of the key fob and the "+" side facing downwards towards the rubber buttons.

Water Damage

The key fob isn't waterproof, even though it has rubber seals to keep water from getting inside the electronic chip. A splash of rain or a wash cycle is likely to be fine, but submerging the key fob in ocean or pool water is likely to damage it.

If the key fob is exposed to water and stops functioning it will have to be reset. You can follow the instructions in the owner's manual or visit an experienced locksmith or Fiat dealer.

A fob that is not in range may not function. Key fobs usually have a range of about 30 feet and if they're far away from the car, it won't recognize them. To begin with, try getting closer to your vehicle. If that doesn't work, the key fob battery might need to be replaced. There are instructions on how to replace the battery in most vehicles either on YouTube or by reading the owner's guide. It is a good idea to think about purchasing a replacement key fob if it is beginning to appear worn and scratched.

Faulty Receiver Module

In the more modern versions of Fiat cars you don't need a physical key to open the car or start it. These cars use a remote control that transmits an electronic message to the car to turn the engine off and on. Locksmiths can fix a broken keyfob. Leave this job to the experts and save time and money. They can also program the new key for your fiat 500 replacement key cost.

You will need to provide the locksmith with some information over the phone when you need a replacement Fiat key. You will need to give the locksmith information about your car, like the year of its production and the model. This is important as locksmiths require it to ensure that the new key works with the existing locks.

Not all locksmiths are able to make replacement keys for Fiat automobiles. Choose a locksmith who has a good track record and expertise in the field. You can be certain that the key will be able to work for your car, and you won't waste money.

Unpaired Key

If you have a keyfob that has isn't working, the most common reason is an unresponsive coin battery. The key fob is equipped with metal clips that keep the battery in place, and completes the circuit. When they wear out or loose, it can result in contact issues and then no power. Replace the battery by purchasing a new one with the same size, voltage and specifications, or get a spare.

It is important to dry out the key fob in case it is submerged in liquid. This can be accomplished by using isopropyl or electronic cleaner. It is also recommended to remove the battery and clean the circuit board before replacing it.

Contacting locksmiths is the best solution if you're unable to find a spare. A locksmith with the ability to reprogram Fiat transponder keys can do this without needing to look at the original keys. This is a much less expensive and faster option than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith has all the tools and equipment needed to replace your key as quickly as they can.