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Why Is Everyone Talking About Fiat Key Cover Right Now
How to Find a Fiat 500 Spare Key

Fiat's classic 500 has evolved into an iconic vehicle since its relaunch in 2007. The company has launched an additional attack against different powertrains with the launch of a mild hybrid version.

The replacement of key fob batteries on a Fiat 500 are simple and affordable. It takes approximately 10 days for the key to be delivered from the Fiat main dealer.

Diagnosis of a Fault

The key fob contains an electronic chip which communicates with your Fiat's immobiliser system to ensure that only authorised vehicles are able to start engines. If the transponder chip within your key fob is damaged, it will not be able to connect to the immobiliser unit and this means that your car will refuse to start.

The good news is that it's possible to fix a damaged key fob, provided the chip isn't physically damaged. Locksmiths who are professionals will use dealer-standard technologies to repair it quickly.

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 can provide you with a first indication of the issue. If the OBD scanner shows that there is no communication between the receiver and transmitter modules, it may be necessary for the fob's transmitter module to be replaced. This could be a costly option, and it's best left to an experienced locksmith.

Dead Coin Battery

The most frequent reason for the key fob not working is a dead battery. Fortunately, this is an easy fix that takes minutes. Check that the key fob is detected by your vehicle. Then, try pressing the "Lock" or "Unlock" button to test if it responds.

If the key fob's signal is out of range, it may not be responsive at all, or it may only function intermittently. This could be an indication of a defective circuit board. In this scenario you'll need to check 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 the edge of the battery holder away from the switch to take out the old battery. Put a brand new #CR2032 3-volt battery into the fob with the "+ side" facing the cover on the rear and the "- side" looking down towards the rubber buttons.

Water Damage

The key fob is not waterproof even though it is fitted with rubber seals to prevent water from getting inside the electronic chip. ignition of water from rain or a wash cycle is likely to be okay but submerging the key fob in ocean or pool water will probably damage it.


If the key fob is exposed to water and fails to function it must be reprogrammed. You can follow the directions in your owner’s manual, or bring it to a professional locksmith or Fiat dealer.

A fob that is out of range could stop working. Key fobs usually have a range of around 30 feet, and if they're too far away from your car, it won't be able recognize them. To begin with, try moving closer to your car. If this isn't working, you might require replacing the key fob. You can find battery replacement instructions for a variety of automobiles on YouTube or in the owner's manual. This is the perfect time to think about purchasing a replacement key fob if yours is beginning to look worn and damaged.

Faulty Receiver Module

Fiat's more modern models do not require an actual key to start or open the car. These cars use keys that send a wireless signal to the car, allowing it to turn off and on the engine. If you've broken your key fob, a locksmith will replace it for you. Leave this job to the professionals and save time and money. They can also program the new key for your Fiat.

If you are looking for a spare key for your Fiat vehicle, you'll need to provide the locksmith with some information about the car over the phone. For instance, you'll have to provide the year of production of your car and the model's name. This is crucial as the locksmith will require this information to make sure that the new key will work with the locks in place.

Not all locksmiths are able to make replacement keys for Fiat cars. You should choose one that has a good reputation and has experience in this field. You can rest assured that the key will work with your vehicle, and you won't waste money.

Keys that are not paired

If you have a key fob that has stopped working, the most common reason is the battery is dead. The key fob is equipped with metal clips which hold the battery in place, and completes the circuit. If these clips wear out or loose, it could cause contact issues and lose power. Replace the battery with an identical replacement.

It is crucial to dry out the key fob when it is submerged in liquid. This can be done with isopropyl or an electronic cleaner. It is also advisable to take the battery off and clean the circuit board prior to replacing it.

If you're not able to find a spare key your best option is to call the locksmith. A locksmith qualified to reprogram Fiat transponder keys can do so without having to see the original keys. This is a quicker and less expensive solution than waiting for an original Fiat key from Italy to arrive. A professional locksmith will have the tools and equipment required to complete the replacement as fast as possible.