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

Fiat's classic 500 has evolved into an iconic vehicle since its revival in 2007. The company has since kicked off a new campaign to different powertrains by launching a mild-hybrid version.

The replacement of key fob batteries on the Fiat 500 are simple and affordable. The Fiat main dealer will provide the key in approximately 10 days.

Fault Diagnosis

The key fob is equipped with 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 inside your key fob is damaged, it will not be able to link up to the immobiliser unit and this means that your car won't be able to start.

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

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

Dead Coin Battery

A dead battery for the coin is the most frequent reason for the key fob to not function. This is a simple fix that only takes about a couple of minutes. First, ensure that the key fob is in range of your vehicle. Then, try pressing the "Lock" or "Unlock" button to test if it responds.

If the key fob is not in range, it may not respond at all or it may only function intermittently. This could be an indication of a defective circuit board. In this situation, you'll need to consult the owner's manual to find out instructions on how to reprogram the key fob.

You can replace the battery by taking off the mechanical latch on the back of the fob (see the image below). Then, gently pull the edge of battery holder away from the switch to release the old battery. Then, put a new 3 volt battery # CR2032 into the fob holder 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

While the key fob is fitted with rubber seals that keep water out of the chip, it's not waterproof. A splash of water from rain or washing cycle is likely to be acceptable however, submerging the key fob in pool or ocean water will probably damage it.


If the key fob is exposed to water and stops functioning it must be reprogrammed. You can follow the directions in the owner's guideline, or bring it to an expert locksmith or Fiat dealer.

Another reason why a fob might stop working is that it's not in the range of your car. Key fobs usually have a range of around 30 feet and if they're far from your car, it won't recognize them. The first step is to move closer to your vehicle. If it doesn't work, the key fob battery may require replacement. You can find replacement battery instructions for the majority of vehicles on YouTube or in the owner's manual. If your key fob appears rough and scratched, it's time to replace it.

Faulty Receiver Module

In the more modern versions of Fiat cars there is no need for an actual key to open the car or start it. The cars are equipped with a remote control which sends a wireless message to the car in order to switch the engine off and on. Locksmiths can fix the broken key fob. You can save yourself time and money by delegating this job to professionals. They can also program a new key for your Fiat.

If you are looking for a spare key for your Fiat vehicle, you'll need to give the locksmith some information about your car on the phone. You will need to give the locksmith details regarding the car, including the year it was made and the model. This is vital because the locksmith will need this information to ensure that the new key works with the existing locks.

Not all locksmiths are able to make replacement keys for Fiat cars. Find a locksmith with an excellent track record and expertise in the field. This means that you are certain that the key will work with your vehicle and you won't waste money.

Keys that are unpaired

The most frequent reason for a key fob not working is a dead coin battery. The key fob has metallic clips that secure the battery in place and are part of the circuit. When they wear out or loose, they could result in contact issues and then no power. Replace the battery by the same one, but with a different design.

It is crucial to dry out the key fob if it was submerged into liquid. Using isopropyl alcohol or electronic cleaner is an effective method to accomplish this. It is also advisable to remove the battery and clean the circuit board prior to replacing it.

Contacting a locksmith is the best option in case you can't find an additional. A locksmith who is certified to reprogram Fiat transponder keys can do it without the need to see the original keys. This is a speedier and less expensive option than waiting for an original Fiat key from Italy to arrive. G28 is equipped with all the tools and equipment required to replace your key as swiftly as possible.