What to Do When Your Fiat 500 Key Fob Stops Working If your Fiat 500 key fob stopped working, there are a variety of options. You can replace the battery, reprogram it, or get help from a locksmith. In most instances, a dead battery is the reason for the key fob's not working. It is easy to replace it with a new one. Keyless entry While keyless entry offers a lot of convenience, it's important to keep in mind that it's not a replacement for an actual car key. To start the car, you'll need a keyfob with a functioning battery. If the key fob battery goes out or if it's damaged it could cause problems with the remote. You will need to replace the key if it's lost. The electronic chip in the key fob has an encryption or red-key code that communicates with your vehicle's immobiliser to allow you to start and unlock your car. It also transmits wireless signals to your vehicle's central lock system that allow you to unlock doors and trunks without using your keys. If the battery of the key fob is out of commission, it will no longer transmit a signal to the car's central locking or infotainment systems. The first step is to replace the battery with a new one that is the same size and voltage that the old one. Be sure that the retaining clips are not loose, as this could cause damage to the internal circuit. Another common cause of the key fob not working is water damage. Although the key fob's exterior has rubber seals but prolonged exposure to soapy or salty water can damage the electronics. If this happens, remove the battery from the key fob and clean it with isopropyl alcohol and paper towels. Ignition Cylinder The ignition cylinder (also called the keylock cylinder) is a vital component of your vehicle that helps to keep it safe and secure. Many road vehicles still utilize traditional ignition cylinders even though many modern vehicles come with keyless and push button power and start systems. The ignition cylinder is the tumbler that mechanically fits into which your key is inserted. If the tumblers have worn out or failing, your car will not start. The pins inside the cylinder are typically worn out. A symptom of this is that the key becomes difficult to turn or might not be able to turn the ignition at all. Some people have been able to utilize graphite and WD-40 in order to repair worn-out cylinders but this is not a permanent solution. The most effective method to fix your car's problem is to replace the ignition lock cylinder housing. Fortunately, this is an easy DIY project that can be done in a couple of easy steps. To avoid electrical shorts disconnect and isolate your negative battery cable before starting the work. Refer to the repair manual from the factory of your vehicle. This will allow you to avoid any potential problems with your airbag or Supplemental Restraint System. Be aware that the removal of components that could impact the SIR and airbag system might be required to replace the cylinder. Key fob Fiat has seen a resurgence in recent times and there are many newer Fiat vehicles on the road. They are equipped with key fobs instead of traditional car keys. If you are in need of a replacement fob for your Fiat or other car, you can speak to a professional locksmith to get one. They will provide you with an electronic key fob that works as well as the original. This will give you the security you require without worrying about what to do about losing the original key. If you own a newer Fiat model, you might have a remote key fob which opens the door and then starts the car. These key fobs have transponders that communicate with the vehicle's immobiliser. The key fob also has an electronic remote control which allows you to lock and unlock your car. Key fobs are programmed to work with a variety of models that include older Fiat automobiles. A professional locksmith can help you with your car in many other ways other than simply replacing your key fob. For instance, they could program a new key for you in the event that your current one has been stolen or lost. This service is more affordable than buying a replacement key at a dealership. In some cases they can visit you to cut and program the key right there and then. Distance Learning The key fob on your Fiat 500 is an important component of the security system. You might need to replace it if it stops working. A locksmith can assist you with this process. You will have to give the locksmith some details. In the beginning, you need to provide them the car's model and make. You should also give the contact details of the owner. There are many reasons the key fob might stop functioning. One of the most common is a dead battery. Replace the battery with one of the same size and voltage. It is essential to replace the battery since an old one could damage the chip. Interference is a different reason for why your key fob could not function. It could be caused by objects in the vicinity or bad weather conditions. https://www.thekeylab.co.uk/fiat-car-keys/ could be caused by other transmitters are also using the same frequency. It is possible to solve this issue by disconnecting your 12 voltage battery for a couple of minutes. Reconnect the battery in reverse, taking off the positive cable prior to the negative. If your Fiat 500 remote key stops working, you should get a new one programmed. This can be done by a trained locksmith for cars. This will save you a significant amount of time and money.