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Key Fob Repair Service – 5 Common Reasons Your Key Fob Won't Work It can be a stressful experience when your key fob fails. The majority of fob issues can be solved at home by an auto locksmith or aren't important. The first step is to examine the key fob for physical damage as well as dead batteries. Then, you can try resetting the fob by following the instructions from your owner's manual. Dead Key Fob Batteries With a key fob, you can start and unlock your vehicle without having to fumble around with your keys. A lot of models unlock doors, hatchbacks, and trunks by pressing the button. A broken key fob isn't as difficult to fix as it may seem. The majority of car owners know they can go to a dealership or repair shop to get help, but did you realize that you could also try to fix your own fob yourself at home? You'll first require a brand-new CR2032. Most hardware stores sell batteries in multipacks. Use a flathead screwdriver or a watch to open the case open. Once you've opened the first gap and you're ready to make use of your tool to further open the case. It's best to be gentle, as you don't want to break the case of the fob, or the circuit board that is inside. Insert the new battery under the tabs indicated by yellow arrows in this photo. Be sure to insert the battery past the two smaller tabs indicated by the green Arrows. After the new battery is installed, close your key fob and try it. If it's still not working it could be time to call an expert for more detailed troubleshooting. In rare cases, replacing a battery in the keyfob could result in a device that isn't functioning. In this instance it's likely that there's a problem with the device or vehicle. Keep a spare keyfob in your car to be prepared in the event that your battery dies, or if another problem occurs. In addition to battery replacement, you can also ask an expert to inspect and make any other repairs to your key fob. They can inspect for damage to buttons or contacts as well as other components and perform reprogramming and synchronization in the event that the vehicle is having a difficult time communicating with your key fob. Damaged Key Fob Battery The majority of key fobs are powered by a tiny battery that powers the internal components. This includes the buttons that activate the antenna and chip for releasing the radio frequency. The battery also powers the plastic casings that protect these components. Your key fob won't function if the battery is dead. The solution is easy and affordable: replace the battery. In the owner's manual of their product most manufacturers will provide you with instructions on how to replace key fob batteries. It's not a difficult task and you can save money by doing it yourself instead of taking the fob to a dealership or auto shop. There could be key repair service if your key fob doesn't work after replacing the batteries. Inspect the key fob for signs of physical damage, for example cracks or dents. You can also inspect the circuit board by opening the case. If you're comfortable doing this, then you can use a cotton swab that has been soaked in rubbing alcohol to clean the contact points on the key fob's circuit board. This will get rid of the corrosion, but not damage to the fob. Key fobs should also be programmed to connect to the vehicle's receiver. This is done to ensure that only those with keys to the same vehicle can unlock the vehicle and to prevent key fobs that are not intended for that particular vehicle from attempting to open it. If you've recently had a key fob repaired or replaced, or when it hasn't used for a long time the transmitter and receiver may have been disconnected. You can test this by using a spare remote control that you own. This will inform you whether the issue is related to the key fob, or the electrical system of your vehicle. A car mechanic will be able to connect any disconnected wires and help you solve the issue. You can also try connecting the key fob to an alternative receiver in your vehicle and see if that solves the issue. If you're unable to connect your key fob to a different receiver in your vehicle, you may be required to take it to a dealership or auto repair shop to get more precise repairs. Key Fob Transmitter Damaged It's a huge problem when your car's key fob doesn't work. Thankfully, most key fobs for cars can be fixed with a few simple steps. Check the fob to see whether it's got any physical damage and ensure that it is not just dead. A new battery may be all that's needed, but if it doesn't solve the issue, it could be a more serious issue with the fob's transmitter. Car key fobs contain a lot of moving parts, so it's normal to expect them to suffer wear and tear over the course of time. A damaged transmitter for your key fob could hinder your car from starting or unlocking the doors. A damaged transmitter can also interfere with radio signals that are sent from your key fob to the receiver inside the car. Bring your key fob to a professional to be repaired and inspected if you suspect that the transmitter is damaged. Batteries are often the cause of a key fob not working. Key fob batteries typically last between three and five years, so it's recommended to purchase fresh batteries regularly. Most people can replace the battery on a key fob at home. All you need is a flat head screwdriver to open the case, and then you can replace the battery with a new one. The majority of key fobs utilize 3V button cell batteries, which are readily available at many auto parts stores. A defective receiver could also be the cause of your key fob not responding. This can be a frustrating problem since it typically occurs when you're driving. If your key fob doesn't seem to be receiving any signals, try placing it in the driver's side of the door lock. A damaged receiver may also cause your keyfob's to behave uncontrollably. For instance it may lock or turn off the vehicle when you press one of its buttons. If you have an extra key fob, you can try using it to see if it can respond to the vehicle's commands. If you don't have a spare key fob, call your dealer to request service. If your current key fob is in warranty, a few new-car dealers might be able to provide a replacement at no cost. Damaged key fob receiver While key fobs are great convenience tools that let us lock and unlock our automobiles, they are susceptible to a range of issues. If your remote key fob for your vehicle isn't functioning properly it's likely that you need to contact a locksmith auto dealer. Many common key fob problems can be easily fixed without the need to purchase an expensive replacement. Here are the five most common reasons your key fob might not be responding Key Fob Needs Re-Programming Over time, the key fob receiver and transmitter may be out of sync with one and the other. To fix this problem, you'll need to re-sync your key fob and receiver by following the reprogramming directions for your car. You can find these instructions in your owner's guide or contact your local dealer for assistance. If reprogramming the keyfob does not solve the issue, there might be damage or a problem with your receiver or keyfob. Luckily, this is often simple to repair by opening your key fob for a better look at the interior. Check for indications of damage, such as cracks in the circuit board, teeny electronic components that aren't connected to the circuit board or bent or the battery contacts are oxidized. You can repair the key fob in the event that you discover any of the above. The best solution for you depends on your budget and the convenience. If your key fob has been damaged or dropped, or has been subjected to other physical damages it might be simpler and less expensive to have it replaced by a professional. In any event, take good care of your keyfob to ensure it continues to work smoothly for many years. You can extend the life of your key fob by regularly cleaning it and staying clear of extreme temperatures or electromagnetic fields. Additionally, by selecting an expert with a lot of experience in your particular vehicle's make and model, you can rest assured that your key fob will always work exactly as intended.