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What Can A Weekly Fiat Key Cover Project Can Change Your Life
How to Find a Fiat 500 Spare Key

Fiat's iconic Fiat 500 has become an icon since its relaunch in 2007. The company has now kicked into a larger offensive toward various powertrains, including a mild hybrid version.

Replacing the key fob battery on the Fiat 500 is straightforward and affordable. The Fiat main dealer will provide the key in 10 days.

Diagnostics of a fault


The key fob contains an electronic chip which communicates with the Fiat immobiliser system. This ensures that only cars with a valid license can start their cars. If the transponder chip within the key fob is damaged, it will not be able to link up to the immobiliser unit, and as a result, your car will refuse to start.

The good thing is that it's possible to repair a broken key fob if the chip is not physically damaged. A professional locksmith can help in this regard, and will use dealer-standard technology to fix it quickly and efficiently.

It is possible to use an OBD scanner to check whether your device is in communication with the receiver module. This is a simple procedure and can provide an initial indication of where the problem lies. If the OBD scanner says there is no communication between the transmitter and receiver modules, it might be necessary for the fob's transmitter module to be replaced. This can be a pricey option, and should be left to a professional locksmith.

Dead Coin Battery

A dead battery on a coin is the most frequent reason for the key fob to not function. This is a simple fix that only takes only a few minutes. Check that the key fob is detected by your vehicle. Then, press the "Lock" or "Unlock" button to determine if the key fob responds.

If the key fob is out of range, it might not respond at all or it may only function intermittently. This could be a sign that the circuit board inside the key fob is damaged. In this instance you'll need to check the manual of your 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 pull the edge of the battery holder away from the switch to take out the old battery. Then, you can insert a brand new #3 volt battery into the fob with the "+" side facing toward the rear cover of the key fob with the "--" side facing down toward the rubber buttons.

Water Damage

While the key fob is fitted with rubber seals that keep water from the chip inside, it's not waterproof. The key fob will likely be able to withstand water from a shower or water from a wash, however, submerging it into ocean or pool waters is not recommended.

If the key fob is exposed to water and fails to function, it will need to be reset. You can follow the directions in the owner's manual or take it to an experienced locksmith or Fiat dealer.

A fob that's not in the range of operation may stop working. The range of a key fob is usually about 30 feet. If they're far away from the vehicle, it will not recognize the fob. For starters, try moving closer to your car. If it doesn't work, the battery for your key fob may require replacement. You can find replacement battery instructions for a variety 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

Modern Fiat models do not require a physical key in order to start or open the car. These cars use a key fob that sends wireless signals to the car to turn on and off the engine. If you've damaged your key fob, a locksmith will replace it for you. You will save time and money by delegating this work to the professionals. They can also program the new key for your Fiat.

You'll have to give the locksmith a few details over the telephone when you need a replacement Fiat key. You will need to give the locksmith specific information about the car, including the year of its production and the model. This is important because the locksmith will need this information to ensure that the new key works with the existing locks.

You must be aware that not all locksmiths are able to create replacement keys for Fiat vehicles. Choose a locksmith who has a good track record and experience in the field. You can rest assured that the key will work for your vehicle and you won't waste money.

Keys that are not paired

The most frequent reason for a key fob not working is a dead coin battery. The key fob has metal clips which hold the battery in place, and completes the circuit. When they wear out or loose, it could result in contact issues and then no power. Replace the battery with a fresh one with the same size, voltage and specification, or use a spare.

If the key fob was submerged in water, it is vital to dry it before re-inserting it. This can be accomplished by using isopropyl or electronic cleaner. fiat 500 car keys is also advisable to take the battery off and clean the circuit board before replacing it.

Contacting locksmiths is the best solution if you are unable to locate an extra. A locksmith with the ability to reprogram Fiat transponder keys can do this without having to see the original keys. This is a speedier and less expensive option rather than waiting for the original Fiat key from Italy to arrive. A professional locksmith will have the tools and equipment needed to complete a replacement as quickly as is possible.