Fiat 500 Key Fob Replacement If your 500 key fob isn't working Try a different one to see if the car will detect it If it does, the problem is likely to be related to the original fob's battery or water damage Replace the battery first Make sure that the new CR2032 coin battery is inserted correctly, with the "+" side facing downwards in the fob Dead Battery The battery is often the cause of a fob not working This is easy to fix and the majority of fobs will provide you with a warning if the battery is failing You can find the correct procedure 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 provided it to you to replace it Sometimes, a fob won't working due to a problem on the internal circuit board It's not a common occurrence but it could happen If you drop the fob on something hard it could cause damage to the internal chip It can also happen if you use an aftermarket fob and the key doesn't work In this case, you will need to go to an authorized locksmith or dealer and have it reconfigured to work with your 500 One 2012 FIAT 500 Flip Key Remote that resembles Ilco brand with trunk, lock and lock buttons New replacement keyless entry remote will require cutting amp; programmed by locksmith Chips that are damaged Fiat 500 key fobs are wireless devices that send signals to the car every time you press the button It has a microchip which contains the information required to communicate with the car If the chip is damaged it won't transmit the correct code and the car won't start It is possible to repair this kind of damage and a locksmith will assist United Locksmith is capable of offering this service to classic models as well, as for newer ones, so don't hesitate to call them afraid to call them Locksmiths can program an entirely new key fob This is much less expensive than visiting a dealer, and it will work just as well You'll need some details to the locksmith, like the year in which your car was manufactured and the model Rub the chip with an old dollar bill if you're not sure what to do The copper in the bill is abrasive enough remove dirt and oxidation, but it will not cause any harm to the microchip The chip might not be repairable when it's physically damaged https//wwwthekeylabcouk/fiat-car-keys/ could happen if you drop it or hit it by your vehicle Water Damage Water damage is likely to happen on your device, whether you dropped them in the pool accidentally or left them in a pocket while swimming or splashed them with water during a rainy afternoon Even if you only have an ounce of water on the key, it can cause major problems for its electronic components The good news is that it is possible to fix this problem by removing the fob's key and using a an old towel to scrub it of any remaining water or dirt When the fob is dry, you can then replace the battery and it should start functioning normally You can also take the fob to a local locksmith shop or auto shop to get it professionally cleaned and programmed These experts can make use of special equipment to ensure that the key fob is compatible with the computer in your car When the key fob on your Fiat 500 stops working, you may be frustrated and stressed It can be expensive and cumbersome to take your key fob to the dealer A locksmith can replace your key fob, without having to visit an auto dealer They are a better option than a dealer, as 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 drop your keyfob or it stops functioning and nothing else seems to be wrong, it may be the chip It could be because of water damage or a dead battery Often times this can be accomplished by following the steps in your owner's guide If you are having trouble or your manual isn't working and you need to have an automotive locksmith complete this task This will ensure that the chip isn't fried, and it's also the cheapest option Another problem with some 500 owners is that the key fob won't secure the car This could be a problem when you intend to fill up at the gas station Some owners have reported their 500's locking mechanism failing and having to replace the entire steering intermediate shaft Fiat has even mentioned this problem in a technical bulletin TSB If you're experiencing issues with your Fiat or other car, a reputable locksmith can help They will duplicate your current key or create a brand new one that locks and starts the car They're able to make this happen without ever seeing your key, and are typically much cheaper than getting it from a dealer