How to Find a Fiat 500 Spare Key Fiat's classic Fiat 500 has become a cult classic since its relaunch in 2007. The company has now kicked off a larger campaign towards different engines with a mild-hybrid version. The replacement of key fob batteries on the Fiat 500 are simple and cost-effective. It takes about 10 days for the key to be received from the Fiat main dealer. Fault Diagnosis The key fob contains an electronic chip that communicates with the Fiat immobiliser system. This makes sure that only authorized vehicles are able to 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 broken key fob, provided the chip isn't 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 is possible to use an OBD scanner to see whether your fob is in communication with the receiver module. This is a simple process and provides initial indications of where the problem lies. If the OBD scanner shows that there is no communication between the transmitter and receiver modules, it could be required for the fob's transmitter module to be replaced. This can be a pricey option, and it's best left to an expert locksmith. Dead Coin Battery The most common reason for the key fob not working is a dead battery. This is an easy fix that only takes just a few minutes. Make sure the key fob can be seen by your vehicle. Then, try pressing the "Lock" or "Unlock" button to check if it responds. The key fob could not function at all, or only occasionally, if it's out of range. This could be an indication that the circuit board inside the key fob has gone out of date. In this case, 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 pull the edge of battery holder away from the switch to remove the old battery. Insert a new #CR2032 3 volt battery into the fob with the "+ side" facing to the rear cover, and the " side" directed towards 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. The key fob is likely to be able to handle the rain or water from a washing cycle, however, submerging it into pools or ocean waters is not recommended. The key fob will need to be reprogrammed if it is exposed to water. You can follow the directions in the owner's manual or bring it to an expert locksmith or Fiat dealer. Another common reason a fob can stop working is that it's out of the range of your car. The range of the fob's range is typically around 30 feet. If they're too far from the vehicle, it will not recognize the fob. The first thing to try is to get closer to your car. If it doesn't work, the battery for your key fob may require replacement. You can find battery replacement instructions for all automobiles on YouTube or in the owner's manual. If your key fob appears damaged and scratched, then it's time to replace it. Faulty Receiver Module In more modern models of Fiat cars there is no need for a physical key to open or start the car. The cars have a remote control which sends an wireless message to the car in order to turn the engine off and on. If you've damaged your key fob, a locksmith is able to replace it for you. You can leave this task to the experts and save time and money. They can also program a new key for your Fiat. You'll have to provide the locksmith with a few details over the phone when you need a replacement Fiat key. For instance, you will be required to mention the year of manufacture of your car and the name of the model. This is crucial because locksmiths need it to ensure that the new key works with the locks in place. Not all locksmiths can make replacement keys for Fiat cars. It is important to choose one with a solid reputation and has experience in this field. You can rest assured that the key will work with your vehicle, and you won't waste money. Unpaired Key If you have a key fob that stopped working, the most common cause is an unresponsive coin battery. The key fob comes with metal clips for retaining the button cell in place and complete the circuit, so if they become worn or damaged, it could cause contact issues and not being able to power. Replace https://www.thekeylab.co.uk/fiat-car-keys/ with another, identical one. If the key fob has been submerged in water, it's important to dry it out before re-inserting it. The use of isopropyl alcohol or electronic cleaner is an effective method to accomplish this. It is also recommended to remove the battery and clean the circuit board prior to replacing it. Contacting a locksmith is the best option if you are unable to locate an additional. A locksmith who is experienced can reprogram the Fiat transponder keys without having to see your original keys. This is a much less expensive and faster option than waiting for a genuine Fiat key to arrive from Italy. A professional locksmith is equipped with all the tools and equipment needed to replace your key as fast as is possible.