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10 Healthy Habits For Fiat Key Cover
How to Find a Fiat 500 Spare Key

Fiat's iconic Fiat 500 has become a symbol since its relaunched in 2007. The company is now planning an aggressive campaign to other engines by launching a hybrid version.

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

Diagnostics of a fault

The key fob has an electronic chip which communicates with the Fiat immobiliser system. This guarantees that only authorized vehicles can start the vehicle. If the transponder chip inside your key fob is damaged, it won't be able to link up to the immobiliser unit, which means your car won't be able to start.

The good news is that it's feasible to repair a damaged key fob, as long as the chip isn't physically damaged. Locksmiths who are professionals will use standard techniques used by dealers to repair it swiftly.

With an OBD scanner, it is possible to determine if your fob is still communicating with the receiver module. It's a quick and simple procedure that will give you a first indication of the problem. If the OBD scan tool shows that communication between the transmitter and receiver modules is not happening it is possible to replace the transmitter module of the fob. This can be a costly alternative, and is best left to an experienced locksmith.

Dead Coin Battery

A dead battery on a coin is the most frequent reason for the key fob not to function. Fortunately, this is an easy fix that can be completed in just a few minutes. First, ensure that the key fob is in the range of your vehicle. Press locked keys in car boot fiat punto "Lock" and "Unlock" buttons to see if they respond.

The key fob could not function at all, or perhaps only occasionally, if it's out of range. This could be an indication of a defective circuit. You'll need to refer to the owner's manual for instructions on how you can 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 the edge of battery holder away from the switch to release the old battery. Then, you can insert a brand new 3 volt battery # CR2032 into the fob with the "+" side facing towards the rear cover of the key fob with the "-" side facing down toward the buttons made of rubber.

Water Damage

The key fob isn't waterproof, even though it has rubber seals to keep water from getting into the electronic chip. The key fob may be able to handle a splash of rain or water from a wash cycle however, submerging it into water from the ocean or pool is not recommended.

The key fob needs to be reset if it is exposed to water. You can follow the directions in the owner's guideline, or visit an experienced locksmith or Fiat dealer.

A fob that's out of the range of operation may stop working. The range of the fob's range is usually around 30 feet. If they are too far away from your car, then it will not recognize the fob. Start by moving closer to your vehicle. If this isn't working, you might require replacing the key fob. You can find instructions on how to replace the battery in all vehicles on YouTube or by consulting the owner's guide. If your key fob looks damaged and scratched, then it's time to replace it.

Faulty Receiver Module

In more modern models of Fiat cars there is no need for a physical key to open the car or start it. The cars are equipped with keys that transmit an electronic signal to the car to turn off and turn on the engine. If you've damaged your key fob, a locksmith will replace it for you. Leave this job to the experts and save time and money. They can also program a brand new key for your Fiat.

If you are looking for an additional key for your Fiat car, you'll need to provide the locksmith with information about your car on the phone. You'll need to provide the locksmith information about your car, including the year it was manufactured and the model. This is important as locksmiths need it to ensure that the new key works with the existing locks.

Not all locksmiths can make replacement keys for Fiat automobiles. You should choose one with a great reputation and has experience in this field. You can be certain that the key will be able to work for your vehicle and you won't lose money.

Keys that are not paired

If you have a keyfob that has stopped working, the most frequent cause is a dead coin battery. The key fob comes with clips of metal that keep the button cell in place and complete the circuit in the event that they wear out or broken, it can result in contact issues and a lack of power. Replace the battery by a new, identical one.

It is important to dry out the key fob in case it was submerged in liquid. This can be done with isopropyl or electronic cleaner. It is also recommended to remove the battery and clean the circuit board, and replace it prior to replacing.


If you're unable locate a spare key, the best solution is to call a locksmith. A locksmith who is experienced can reprogram the Fiat transponder keys without having to see the original keys. This is a quicker and less expensive option rather than waiting for the original Fiat key from Italy to arrive. A professional locksmith will also have all the equipment and tools needed to complete a replacement in as little time as possible.