Fiat 500 Replacement Key Fob If your remote key fob has stopped working, it might be time to replace the battery. If you replace the battery, but it's still not working it could be a problem elsewhere. United Locksmith specializes in the production of new keys for classic cars. We have the tools and components required for this type of service. Dead Coin Battery The most common reason why your Fiat 500 key fob will not unlock or lock the doors is due to a dead battery. The key fob comes with the battery of a coin-cell which will quickly drain in the event that it is not frequented enough. If your remote started to show signs of weakness like a loss of range and then completely stopped working the battery could be dead. Metal clips keep the battery in place in the key fob. If the clips aren't tight, they can create problems with the contact, which can stop your remote to receive power. Using a small flathead screwdriver, break the retaining clip outwards to take out the battery, and replace it with a brand new one. Be sure to use a replacement battery with the same kind of voltage, size and specifications as the original battery. The key fob might be damaged or corroded by exposure to water. Even a small bath in warm, soapy water could damage the chip. It is best to keep your key fob in a dry area. Water Damage If your key fob doesn't work correctly, it could be caused by water damage. The rubber seals on key fobs prevent them from being damaged by a tiny splash or drizzle of water. However, it's essential to keep the keys of your car away from the washing machine, ocean, and even the pool. The key fob comes with an electronic chip inside it that sends a signal to your car's immobilizer system. The chip is what allows the 500 to start and lock. If it gets wet it will cease to function. If you want to check if your key fob is functioning it is possible to clean the internal electronics using isopropyl or an electronic cleaner. However, it is probably better to purchase a replacement from a dealership instead of trying to fix the key fob which is submerged in salt water. A replacement fob can cost you a little bit however it's much less expensive than paying to have your Fiat 500 towed to a dealer and fixed there! You can also make it yourself in just only a few steps. Make sure you have the correct type of battery before you attempt to open your key fob. This task is more straightforward than it appears and you can find step-by-step directions online for almost any key fob for cars. Faulty Chip The chip that is contained in the key fob communicates to your car's immobiliser unit to make sure the car is capable of starting when the correct key is inserted. If the chip is damaged, or damaged in any way, your car will not start. A damaged chip could occur due to a variety of reasons, but the most common reason is water damage or an unresponsive battery. Regardless of the reason, it's a good idea to leave the work to a locksmith as they will be able to replace the chip for you swiftly and at a low cost. If your key fob will not function after exposure to water that is clean from the tap or rain take the battery off. Wipe down the electronic component with an old towel. If the key fob does not work it's likely to be to be a damaged chip that is required to be replaced. Many people will seek out their dealer when in need of an entirely new Fiat key fob, however this can be a very expensive option. If you are looking for a low-cost solution to get your Fiat key fob repaired then look no further than United Locksmith. We have the tools and experience necessary to fix your Fiat key fob in a quick and professional way. Faulty Receiver Module Fiat key fobs transmit a signal up to 50 feet to the vehicle, which can unlock and close the doors (and start the vehicle for those with automatic transmissions). There are a variety of reasons why the fob could not function. This includes a dead battery or water damage, worn-out buttons or a receiver issue signal interference, or an issue with the chip. If the fob was placed in an area that has experienced severe trauma (such as being dropped on the floor or washed in the washer) the fob might not be able to connect with the Body Control Module (BCM) of the vehicle. The BCM is a security system that can only accept signals from genuine keys. If https://www.thekeylab.co.uk/fiat-car-keys/ is the case, then you have to replace your fob. A professional locksmith can take care of all aspects of the replacement procedure, including programming a new one for your 500. In fact, they can even provide you with a replica key that works just like your original fob (and costs a fraction of the price).