How to Find a Fiat 500 Spare Key Fiat's iconic 500 has become an iconic vehicle since its revival in 2007. The company is now launching a larger offensive to different powertrains with the launch of a mild hybrid version. The replacement of the key fob batteries on a Fiat 500 are simple and inexpensive. It takes about 10 days for the key to be handed over from the Fiat main dealer. Diagnosis of a Fault The key fob contains an electronic chip that communicates with the Fiat immobiliser system. This guarantees that only authorized vehicles can start the car. If the transponder chip inside 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 news is that it's possible to repair a broken key fob, as long as the chip is not physically damaged. A professional locksmith can help with this issue, and they'll employ the latest technology from dealers to repair it quickly and efficiently. It's possible to utilize an OBD scanner to check whether your device is communicating with the receiver module. This is a quick and easy 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 option and should be left to locksmiths. Dead Coin Battery The most frequent cause of a key fob not working is a dead coin battery. Fortunately, this is an easy fix that can be completed in about 15 minutes. Ensure that the key fob is visible to your vehicle. Then, press the "Lock" or "Unlock" button to test if it responds. If the key fob is not in 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 instance, you'll need to consult your owner's manual 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 lift the the battery holder in front of the switch and remove the old coin cell battery. Then, insert a new # CR2032 3 volt batteries into the fob with the "+" side facing the cover on the rear of the key fob, and the "--" side facing downwards towards the buttons made of rubber. Water Damage While the key fob is fitted with rubber seals that keep water from the electronic chip inside, it's not waterproof. The key fob is likely to be able to withstand the rain or water from a wash cycle, but submerging it in water from the ocean or pool is not recommended. If the key fob is exposed to water and fails to function it will have to be reprogrammed. This can be done by following instructions in the owner's manual, or by taking it to a professional auto locksmith or a Fiat dealer. A fob that's not in range could stop working. Key fobs typically have a range of around 30 feet and if they're far from the car, it won't recognize them. Start by moving closer to your vehicle. If that doesn't work, the key fob's battery may require replacement. There are battery replacement instructions for a variety of vehicles on YouTube or in the owner's manual. If your key fob is looking rough and scratched, it's time to replace it. Faulty Receiver Module Fiat's more modern models do not require a physical key in order to start or open the car. The cars are equipped with a remote control that sends an electronic message to the car in order to turn the engine on and off. If you have a broken key fob, a locksmith can replace it for you. You will save time and money by delegating this task to professionals. They can also create a new key for your Fiat. You'll need to give the locksmith a few details over the telephone when you want a spare Fiat key. You will need to give the locksmith information about the car, including the year it was made and the model. This is vital because the locksmith will require this information to ensure that the new key works with the locks in place. https://www.thekeylab.co.uk/fiat-car-keys/ can create replacement keys for Fiat automobiles. Find a locksmith with a good track record and expertise in the field. This way, you can be certain that the key will work with your car and you will not waste money. Unpaired Key The most frequent reason for a key-fob not working is a dead coin cell battery. The key fob has metal clips that keep the battery in place and complete the circuit. When these become worn or loose, they can result in contact issues and then no power. Replace the battery with a new, identical one. It is essential to dry out the key fob if it is submerged in liquid. This can be accomplished using isopropyl or an electronic cleaner. It is also recommended that you remove the battery, clean the circuit board, and replace it before replacing. Contacting locksmiths is the best solution if you're unable to find a spare. A licensed locksmith can reprogram the Fiat transponder key without needing to see the original keys. This is a faster and cheaper solution than waiting for an original Fiat key from Italy to arrive. A professional locksmith will have all the tools and equipment needed to replace your key as quickly as is feasible.