How to Find a Fiat 500 Spare Key

Fiat's iconic Fiat 500 has become an icon since its relaunched in 2007. The company is now kicking into a larger offensive toward different engines with a mild-hybrid version.

Replacing the key fob's battery on a fiat 500 key fob 500 is straightforward and inexpensive. It takes about 10 days for the key to be shipped from the Fiat main dealer.

Fault Diagnosis

The key fob contains an electronic chip which communicates with the Fiat immobiliser system. This makes sure that only authorized vehicles are able to start the car. If the transponder in your key fob is damaged the chip will not be capable of connecting to the immobiliser, which means that your car will not start.

The good news is that it's possible to repair a damaged or broken key fob provided that the chip isn't physically damaged. A professional locksmith can help in this regard, and will make use of dealer-standard technology to fix it quickly and efficiently.

Using an OBD scanner, it's possible to determine if your fob is still communicating with the receiver module. It's a simple process, and it can provide first indications of the root cause. If the OBD scan tool reports that communication between the receiver and transmitter modules is not occurring it could be necessary to replace the transmitter module on the fob. This could be a costly alternative, and is best left to an expert locksmith.

Dead Coin Battery

The most frequent cause of a key fob not working is a dead coin battery. It's an easy fix that only takes minutes. Make sure the key fob is visible to your vehicle. Then, try pressing the "Lock" or "Unlock" button to test if it responds.

If the key fob is out of range, it may not be responsive at all, or it may only function intermittently. This could also be a sign that the circuit board inside the key fob has gone out of date. You'll have to refer to the owner's guide to get instructions on how you can reprogram the keyfob in this case.

The mechanical latch can be removed from the back of the key fob. (See the image below). Then, gently pry the edge of the battery holder away from the switch to remove the old battery. Insert a new #CR2032 3 volt battery into the fob with the "+ side" facing to the rear cover, and the " side" directed towards the rubber buttons.

Water Damage

Although the key fob has rubber seals that keep water from the electronic chip inside, it's not waterproof. A splash of water from rain or a wash cycle is likely to be okay, but submerging the key fob in pool or ocean water is likely to cause damage.

The key fob needs to be reprogrammed if the device is exposed to water. This can be done by following instructions in the owner's manual or by bringing it to an auto locksmith professional or an Fiat dealer.

A fob that is not in range may not function. Key fobs generally have a range of 30 feet and if they're far away from the vehicle, it won't be able to recognize them. The first step is to move closer to your vehicle. If this does not work, you may require replacing the key fob. There are instructions on how to replace the battery in all automobiles on YouTube or by consulting the owner's guide. This is a good time to think about buying a new key fob if it is beginning to look shabby and scratched.

Faulty Receiver Module

Modern models of Fiat do not require the use of a key to start or open the car. They use a remote control that sends an electronic message to the car in order to turn the engine on and off. If you have a broken key fob, a locksmith will replace it for you. You can leave this task to the experts and save time and money. They can also program a new key to your Fiat.

You will need to provide the locksmith with some details over the telephone when you want to purchase a spare Fiat key. For instance, you'll have to provide the year of manufacture of your car as well as the name of the model. This is important as locksmiths need it to ensure that the new key is compatible with the existing locks.

You should be aware that not all locksmiths are able to make replacement keys for Fiat vehicles. Find a locksmith that has an established track record and experience in the field. This means that you are certain that the new key will work with your car and you won't be wasting money.

Unpaired Key

If you have a key fob which has stopped functioning, the main cause is the battery is dead. The key fob is equipped with metal clips that secure the battery in place and are part of the circuit. When they become worn or loose, it could cause contact issues and loss of power. Replace the battery with a new one of the same voltage, size and specifications, or a spare.

If the key fob has been submerged in water, it is vital to dry it before re-inserting it. This can be done with isopropyl or electronic cleaner. It is also advisable to remove the battery and clean the circuit board prior to replacing it.

If you are unable to locate a spare key, your best option is to contact an locksmith. A locksmith who is experienced can reprogram a Fiat transponder key without needing to see the original keys. This is a far cheaper and quicker solution than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith has the necessary tools and equipment to replace your key as fast as is possible.