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How to Find a Fiat 500 Spare Key Fiat's 500 is an iconic vehicle since its relaunch in 2007. The company has since kicked off a larger campaign towards different powertrains with a mild-hybrid version. Replacing the battery for the key fob on the Fiat 500 is straightforward and cheap. It takes about 10 days for the key to be received from the Fiat main dealer. Diagnosis of a Fault The key fob contains an electronic chip that communicates with the Fiat immobiliser system. This ensures that only cars with a valid license can start the car. If the transponder chip within your key fob is damaged, it won't be able to link up to the immobiliser unit and this means that your car won't start. replacement key for fiat 500 The Keylab is that it's attainable to repair a damaged or broken key fob, as long as the chip is not physically damaged. A professional locksmith will utilize standard techniques used by dealers to repair it quickly. It is possible to utilize an OBD scanner to see whether your fob is communicating with the receiver module. It's a quick and simple process that can provide a first indication of the issue. If the OBD scan tool shows that communication between the receiver and transmitter modules isn't working, it may be necessary to replace the transmitter module of the fob. This could be a costly option, and should be left to a professional locksmith. Dead Coin Battery The most common cause of an unresponsive key fob is a dead coin battery. This is a simple fix that only takes just a few minutes. Ensure that the key fob can be visible to your vehicle. Press the “Lock” and “Unlock” buttons to see whether they respond. The key fob might not work at all, or maybe only occasionally, if it's out of range. This could be a sign that the circuit board in the key fob is damaged. You'll need to refer to the owner's manual to find out on how to 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 pry out the edge of the battery holder near the switch, and remove the old coin cell battery. Then, you can insert a brand new # CR2032 3 volt batteries into the fob with the “+” side facing the rear cover of the key fob with the “—” side facing down towards the buttons made of rubber. Water Damage Although the key fob has rubber seals that keep water out of the chip inside, it's not waterproof. The key fob should be fine with the rain or water from a wash cycle, however, submerging it in water from the ocean or pool is not recommended. If the key fob is exposed to water and stops functioning it must be reset. You can follow the instructions in your owner's manual or go to an expert locksmith or Fiat dealer. Another common reason a fob might stop working is because it's out of reach of your vehicle. The range of a key fob is usually around 30 feet. If they're too far from your car, it may not recognize the fob. Start by moving closer to your vehicle. If it doesn't work, the key fob battery might need to be replaced. You can find replacement battery instructions for most automobiles 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 which sends a wireless message to the car in order to turn the engine off and on. If you've broken your key fob, a locksmith will replace it for you. Let the professionals and save time and money. They can also program a brand new key for your Fiat. When you are getting a spare key for your Fiat car, you'll need to provide the locksmith with details about your car over the phone. You will need to give the locksmith information about your car, like the year it was made and the model. This is essential as the locksmith will require this information to make sure that the new key works with the existing locks. You must be aware that not all locksmiths are able create replacement keys for Fiat vehicles. Find a locksmith with an established track record and expertise in the field. This means you can be certain that the key will work with your car and you won't be wasting money. Keys that are unpaired If you have a key fob that stopped working, the most common reason is the battery is dead. The key fob is equipped with metal clips which hold the battery in place, and completes the circuit. If these clips wear out or loose, they could cause contact issues and loss of power. Replace the battery with a new one of the same size, voltage and specification, or a spare. It is important to dry out the key fob if it has been submerged in liquid. This can be done with isopropyl or an electronic cleaner. It is also recommended to remove the battery and clean the circuit board, and replace it before replacing. Contacting a locksmith is the best option if you can't find an additional. A licensed locksmith can reprogram the Fiat transponder keys without having to view your original keys. This is a much faster and cheaper option instead of waiting for an original Fiat key from Italy to arrive. A professional locksmith is equipped with all the necessary tools and equipment to replace your keys as quickly as is possible.