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Key Fob Repair Service – 5 Common Reasons Your Key Fob Won't Work It can be a traumatic experience when your key fob breaks down. Most fob problems can be fixed at home by an auto locksmith, or aren't urgent. First, check the fob of your key to determine whether it has physical damage or a dead battery. Then, try resetting the fob according to instructions in your owner's manual. Dead Key Fob Battery Key fobs allow you to unlock and even start your vehicle without having to mess around using your keys. A lot of models unlock doors, trunks, and hatchbacks by pressing the button. A dead key fob isn't as difficult to fix as it may seem. Most car owners know that they can go to a dealership or repair shop for assistance but did you know that you could also attempt to fix your own fob yourself at home? The first thing you'll require is a new, clean CR2032 battery. Most hardware stores sell batteries in multipacks. Then you can use an flathead screwdriver or watch to pry open the fob case. Once you've opened the first gap and you're ready to employ your pry tool to further open the case. Be gentle, as you don't want breaking the fob's case or the circuit board that is inside. Place the new battery in the tabs that are marked with yellow arrows on this image. Be sure to insert the battery past the tabs smaller than those highlighted by green arrows. Once the new battery is installed, close your key fob and try it. If it's still not working then it's time to call an expert for more detailed troubleshooting. In rare cases replacing a battery on a keyfob can still result in a non-functional device. In this instance, there's probably something wrong with the fob or vehicle. It's a good idea keep an extra key fob in hand so you can be ready if the original battery dies or another problem strikes. In addition to battery replacement, you may also request an expert to inspect and perform other key fob repairs. They can inspect for damage to buttons or contacts as well as other components and also do reprogramming and synchronization if your vehicle is having a difficult communicating with your key fob. Key Fob Battery Damage Most key fobs rely on small batteries to power their internal components, which include buttons that trigger the antenna and chip to release a radio frequency. The battery also powers plastic casings that protect these components. Your key fob won't function if the battery dead. Fortunately, the solution is simple and affordable: just replace it. In their owner's manual, many manufacturers provide instructions on how to replace the key fob's batteries. It's not difficult to do, and you can save money by doing it on your own instead of taking the fob to an auto or dealer shop. You may have a different issue if the key fob still does not function after replacing the batteries. Check the key fob to determine whether there are any physical damages, such as cracks or dent. You can also inspect the circuit board by opening the case. If you are comfortable, you can employ a cotton ball dipped into alcohol to clean the contact points on the circuit board of the key fob. This will eliminate corrosion without causing damage to the fob. Key fobs must also be programmed to connect to the receiver of the vehicle. This is to ensure that only those with keys for the same vehicle can unlock the car and prevent other key fobs from trying to access vehicles they were not designed for. If you have recently had your keyfob repaired or replaced or it's been unused for a long time the transmitter and receive may have become disconnected. You can test this by using a spare remote control that you have. This will let you know whether the issue is related to the key fob or with the electrical system of your vehicle. A mechanic can help you solve the issue by reconnecting any wires that have been disconnected. Alternately, you could try to connect the key fob to a different receiver in your vehicle and see if that resolves the issue. If you're unable to accomplish this, you might need to bring your key fob to a car dealer or auto repair shop for more in-depth repairs. Key Fob Transmitter Damaged If your car key fob isn't working, it could be a major inconvenience. The majority of car key fobs can be easily repaired by following a few easy guidelines. Examine the fob to determine if it has any physical damage, and ensure that it is not just dead. A new battery could be all you need but if it's not enough to fix the problem, there could be a larger issue with the fob's transmitter. It's not surprising that car key fobs wear out over time. They're made of a variety of moving parts. A damaged transmitter can stop you from starting your car or unlocking the doors. Additionally a damaged transmitter may interfere with radio signals sent between your key fob and the receiver inside the vehicle. Bring your key fob to a mechanic for repair and inspection if you believe that the transmitter is damaged. Batteries are often the cause of a key fob that isn't working. Key fob batteries last between 3 and five years. It is recommended to replace them frequently. The replacement of a key fob's battery is a relatively simple process that most people can do at home. You'll require an flat-head screwdriver to open the case open. Once you have it opened, you'll be able to replace the battery. Most key fobs are powered by 3V button cell batteries, which are readily available at many auto parts stores. Another reason why your key fob might stop responding is because of an ineffective receiver. This could be a frustrating problem because it is most likely to occur when you're driving. If you notice that your key fob doesn't receive an alert from your vehicle, try putting it inside the driver's door lock. A damaged receiver may cause your key fob to behave erratically, such as by turning off or locking the vehicle whenever you press one of its buttons. If you have a spare key fob, test it to see if it will respond to the vehicle's commands. If you don't have a spare key fob, contact your dealer for service. If your current key fob is under warranty, some dealerships selling new cars may be able to provide a free replacement. Keys damaged Fob Receiver While key fobs are great devices that allow us to lock, unlock, and start our vehicles, they can be susceptible to a range of issues. If the remote key fob for your vehicle isn't functioning properly it's likely that you need to call a locksmith or auto dealer. Fortunately, a lot of common problems with key fobs can be easily resolved without having to shell out for a costly replacement. Here are the five most common reasons why your key fob may not be responding Key Fob Needs Re-Programming Over time the receiver and transmitter of a key fob for your car could become out-of-synchrony. To resolve this issue, you'll have to reconnect the key fob and its receiver by following reprogramming instructions for your vehicle. You can find these instructions in the owner's manual or ask your dealer in person for assistance. If reprogramming your keyfob does not resolve the issue, there could be a problem or an interference with your receiver or keyfob. This is usually easy to fix if you take off your key fob and take an in-depth look inside. Find indications of damage, like cracks in the board, tiny electronic components that aren’t connected to the board, or bent or damaged battery contacts. If you find any of these, you can repair your key fob by replacing damaged parts. The best solution for you will depend on your budget and ease of use. If your key fob was dropped or subjected to various physical harms it might be simpler and less expensive to replace it by a professional. In any case, be sure to take care of your key fob so it can continue to give you years of uninterrupted operation. By cleaning remote key repair and avoiding exposing it extreme temperatures or electromagnetic fields you can ensure it will last as long as possible. If you choose a professional with experience with the make and model of your vehicle, you can be sure that your key fob is working as intended.