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How to Find a Fiat 500 Spare Key Fiat's iconic Fiat 500 has become a symbol since its relaunch in 2007. The company is now kicking off a new campaign to various powertrains, including a mild hybrid version. The replacement of the key fob batteries on a Fiat 500 are simple and inexpensive. The Fiat main dealer will supply the key within 10 days. Diagnostics of a fault The key fob comes with an electronic chip which communicates with the Fiat immobiliser system. This ensures that only authorized cars can start the car. If the transponder chip in your key fob is damaged, it will not be able to link up to the immobiliser unit and as a result, your car won't start. The good part is that it's attainable to repair a damaged key fob provided that the chip isn't physically damaged. A professional locksmith can help with this, and will use dealer-standard technology to fix it quickly and effectively. It is possible to utilize an OBD scanner to determine if your fob is still in communication with the receiver module. This is a quick and simple process that could provide a first indication of the problem. If the OBD scanner says there is no communication between the transmitter and receiver modules, it could be required for the fob's transceiver module to be replaced. This is a costly option and should be left to locksmiths. Dead Coin Battery A dead battery on a coin is the most common reason for the key fob not to function. Fortunately, this is simple fix that takes about 15 minutes. First, ensure that the key fob is in range of your vehicle. Press the “Lock” and “Unlock” buttons to determine whether they respond. the full details may not work at all, or maybe only intermittently, if it is out of range. This could be an indication of a bad circuit board. You'll have to refer to the owner's guide to get instructions on how to reprogram the key fob in this instance. 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 take out the old battery. Put a brand new #CR2032 3-volt battery into the fob with the “+ side” facing to the rear cover, and the “– side” looking down towards the buttons made of rubber. Water Damage The key fob may have rubber seals that keep water out of the chip, it is not waterproof. A splash of water from rain or washing cycle is likely to be fine however, submerging the key fob in pool or ocean water could cause damage to it. The key fob needs to be reprogrammed when it is exposed to water. This can be accomplished using the instructions found in your owner's manual or by taking it to an expert auto locksmith or an Fiat dealer. Another reason why a fob might stop working is that it's not in the range of your car. The range of the fob's range is usually about 30 feet. If they are too far away from your car, then it might not recognize them. The first step is to move closer to your vehicle. If this doesn't work, you may need to replace your key fob. There are battery replacement instructions for all vehicles on YouTube or in the owner's manual. If your key fob is looking scuffed and dented, it's time to replace it. Faulty Receiver Module Fiat's more modern models do not require the use of a key to start or open the car. These cars have keys that send wireless signals to the car, allowing it to turn off and on the engine. A locksmith can repair the damaged keyfob. You will save time and money by entrusting the job to the experts. They can also program the new key for your Fiat. When you are getting a spare key for your Fiat, you will need to give the locksmith some details about your car over the phone. For instance, you will be required to give the year of manufacture of your car as well as the model's name. This is vital as locksmiths need it to ensure that the new key works with the locks in place. You must be aware that not all locksmiths can create replacement keys for Fiat vehicles. You must choose one with a great reputation and has experience in this particular field. This means you can be certain that the key will work with your vehicle and you will not waste money. Keys that are not paired The most frequent reason for a key fob that isn't working is a dead coin-cell battery. The key fob comes with metal clips that keep the battery in place, and completes the circuit. If these clips wear out or loose, it can cause contact issues and lose power. Replace the battery with one of the same size, voltage, and specification, or use a spare. If the key fob has been submerged in water, it's crucial to dry it before inserting it again. This can be accomplished using isopropyl or electronic cleaner. It is also recommended that you remove the battery and clean the circuit board and replace it prior to replacing. Contacting a locksmith is the best solution if you're unable to find an additional. A qualified locksmith can reprogram a Fiat transponder key, without needing to look up your original keys. This is a less costly and faster option than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith has the necessary tools and equipment to replace your key as fast as is possible.