Fiat 500 Key Fob Replacement If your 500 key fob doesn't work, try using another one to see if the car can detect it. If https://www.thekeylab.co.uk/fiat-car-keys/ does, the problem is likely to be related to the original fob's battery, or water damage. First replace the battery. Make sure the new #CR2032 coin cell battery is inserted correctly, with the "+" side facing down in the fob. Dead Battery The battery is typically the reason behind the fob's inability to function. This is easy to repair and most fobs notify you that the battery is failing. You can find instructions for the majority of car fobs on YouTube or in the owner's guide. You can also take it to a local locksmith or the dealer who gave it to you to replace it. Sometimes a fob will stop working due to a fault on the circuit board inside. It is rare however, it can happen. If you drop the fob on a hard object, it could damage the internal chip. It can also happen if you use an aftermarket key and the fob does not function. In this case, you will need to go to an authorized locksmith or dealer and get it reprogRammed to work with your 500. One 2012 FIAT 500 Flip Key Remote - Similar to Ilco brand with trunk, lock and lock buttons - new replacement keyless entry remote (will need to be cut and programmed by locksmith) Chips damaged A key fob from Fiat 500 is an wireless device that sends an indication for the car to start once you press the button. It's equipped with a microchip, which contains information about the code that will allow it to communicate with the car. If the chip is damaged it will not transmit the correct code, and the car won't start. A locksmith can fix this type of damage. United Locksmith can complete this service on both classic as well as newer models, so don't hesitate to contact us. A locksmith can program an entirely new key fob. This is less expensive than going to the dealer and will work similarly. A locksmith will require specific information from you, including the year that your car was manufactured as well as the name of its model. If you are not sure how to solve this issue, try using an US dollar bill. The copper in the bill is abrasive, and can remove oxidation and dirt. However, it will not cause harm to the microchip. If the chip is physically damaged it might not be in a position to be repaired. This could happen if you drop it or get it pushed over by your vehicle. Water Damage Whether you accidentally dropped your keys in the water, put them in your pocket while swimming at the beach, or splashed them with water on a wet day it's likely your key fob is likely to suffer water damage. Even if you only have tiny amounts of water on the key, it could cause serious problems to the electronic components of the key. The good news is that it is possible to fix this problem by removing the fob's key and then using an old towel to scrub it of any dirt or water that remains. Once the fob has dried you can then replace its battery and it should begin functioning normally. You can also take it to an auto repair shop or locksmith to have it professionally programmed and cleaned. These professionals will use special equipment to make sure that the fob's key works with your car's computers. When the key fob on your Fiat 500 stops working, you may feel frustrated and stressed. You might be tempted to head to the dealer to get your key fob replaced however this could be costly and inconvenient. Locksmiths can handle every aspect of your car's key fob replacement without the necessity of a dealership visit. Locksmiths are more reliable than a dealer since they can take care of all aspects of your car's key fob replacement without the requirement for a dealership visit. Pairing Issues If you lose your keyfob, or it ceases to function, and nothing else appears to be wrong, it could be the chip. It could be due to water damage or the battery is dead. Often, this can be accomplished by following the instructions in your owner's manual. However it's best to have a locksmith from your automotive do this if you're having problems or if the directions in your manual don't work for you. This will ensure that the chip isn't damaged, and is the most affordable option. Another problem with some 500 owners is that the key fob can't secure the car. This could be a problem if you need to refill at a gas station. Some owners have reported their 500's locking mechanism breaking and needing to replace the entire steering intermediate shaft. Fiat has even mentioned this problem in an technical bulletin (TSB). If you're having problems with your Fiat or other car, a reputable locksmith can help. They'll be able to duplicate your existing key or create a new one that will unlock and start your vehicle. They're able to accomplish this without having to see your previous key and are usually more affordable than purchasing it from a dealer.