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How to Find a Fiat 500 Spare Key

Fiat's classic Fiat 500 has become a cult classic since its relaunch in 2007. The company has now kicked off a larger campaign towards different powertrains by launching a mild-hybrid version.

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

Diagnosis of a Fault

The key fob comes with an electronic chip that communicates with the Fiat immobiliser system. This ensures that only authorized cars can start their cars. If the transponder chip within your key fob is damaged, it won't be able to link up to the immobiliser unit, which means that your car won't start.

The good part is that it's attainable to repair a damaged key fob, as long as the chip is not physically damaged. A professional locksmith can assist in this regard, and will use dealer-standard technology to fix it quickly and efficiently.

It is possible to use an OBD scanner to see if your fob is still in communication with the receiver module. This is a quick and simple process that can give you an initial indication of the problem. If the OBD scanner indicates 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 is a costly alternative, and is best left to an experienced locksmith.

Dead Coin Battery

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

The key fob might not work at all, or only intermittently, in the event that it is out of range. This could also be a sign that the circuit board in the key fob has failed. You'll have to refer to your owner's guide for instructions on how to 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 take out the old battery. Install a brand new 3-volt #CR2032 battery into the fob with the "+ side" facing the cover on the rear and the " side" facing down towards the rubber buttons.

Water Damage

The key fob isn't waterproof even though it is fitted with rubber seals to keep water from getting into the electronic chip. The key fob will likely be fine with water from a shower or water from a wash, but submerging it in the ocean or in pool water is not recommended.

If the key fob is exposed to water and fails to function the device will need to be reset. You can follow the instructions in your owner’s manual, or take it to an expert locksmith or Fiat dealer.

A fob that is out of the range of operation may stop working. The range of a key fob is usually about 30 feet. If they are too far from your vehicle, it will not recognize the fob. The first step is to move closer to your car. If this does not work, you may need to replace the key fob. You can find information on how to replace the battery in a majority of automobiles on YouTube or by consulting the owner's manual. If your key fob is looking rough and scratched, it's time to replace it.

Faulty Receiver Module

Modern models of Fiat do not require the use of a key to start or open the car. The cars utilize keys that send a wireless signal to the car to turn on and off the engine. A locksmith can repair the broken key fob. Leave this job to the professionals and save time and money. They can also program the new key for your Fiat.

If you're getting an extra key for your Fiat car, you'll need to provide the locksmith with some information about your car on the phone. You will need to give the locksmith information about the car, including the year it was produced and the model. This information is important because locksmiths need it to ensure that the new key is compatible with the existing locks.

You should be aware that not all locksmiths can make replacement keys for Fiat vehicles. You need to look for one that has a good reputation and experience in this field. You can be assured that the key will work for your vehicle and you won't be wasting money.

Keys that are not paired

The most frequent reason for a key-fob not functioning is a dead coin-cell battery. The key for fiat 500 fob has metal retaining clips that hold the button cell in place and complete the circuit so when these are worn or damaged, it could cause contact problems and no power. Replace the battery with a fresh one of the same size, voltage and specifications, or get a spare.

It is essential to dry out the key fob if it has been submerged in liquid. This can be done with isopropyl or electronic cleaner. It is also recommended to take the battery off and clean the circuit board prior to replacing it.

If you are unable to find a spare key, your best option is to contact a locksmith. A qualified locksmith can reprogram a Fiat transponder key without needing to view your 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 will also have the tools and equipment needed to complete a replacement in as little time as possible.