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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 malfunctions. Fortunately, most fob issues aren't too serious or complex and can be resolved at your home or by an auto locksmith near you. The first step is to check the fob's keypad for physical damage as well as an unresponsive battery. Then, you can reset the fob by following the instructions in your owner’s manual. Dead Key Fob Battery With a key fob you can start and unlock your vehicle without having to fumble around with your keys. Some models even unlock hatchbacks, doors and trunks with the push of one button. While the battery of your key fob is dead, it could be a huge problem, it's actually one of the easiest issues to resolve. You can take your car to an repair shop or a dealership for help. But did you know that you could also fix your fob yourself? You'll first need a brand new CR2032. You can buy them in a multipack from most hardware stores. Then, use an flathead screwdriver or watch to open the fob case. There's usually an opening or notch to get started after you've made the first gap, you can push your tool in the same way as you peeling an apple or an orange to open the case further. Be gentle, as you don't want to break the fob's case or the circuit board within. Place the new battery in the tabs marked with yellow arrows on this photo. Make sure it goes in past the two smaller tabs indicated by the green arrows. Once the new battery is in place, close your key fob, and then test it. If remote car key repair doesn't work then it's time to call an expert for more thorough troubleshooting. In rare cases, replacing the battery in a key fob can still result in a non-functional device. If this happens, it's a sign that there's a problem with the fob or the vehicle itself. Keep a spare keyfob on hand so that you're prepared in the event that your battery dies or if an issue occurs. In addition to battery replacement, you may also request an expert to examine and make other key fob repairs. They can look for damaged buttons or contacts, as well as other components. They can also perform reprogramming or synchronization, when your vehicle is experiencing trouble communicating with your keyfob. Damaged Key Fob Battery The majority of key fobs utilize small batteries to power their internal components, which include buttons that activate the antenna and chip to release the radio frequency. The battery also powers plastic casings to protect the components. The key fob you have will not work if the battery is dead. The solution is easy and cheap to replace it. In their user's manuals, many manufacturers provide instructions on how to replace the key fob batteries. The process can be a little tricky however it's not hard to do and you'll likely save money by doing it yourself, rather than bringing the fob into the auto shop or dealership. If your key fob still not working after replacing the battery, it could have another issue. Inspect the key fob for indications of physical damage, such as cracks or scratches. You can also check the circuit board by opening the case. If you're comfortable doing this, you can make use of a cotton swab that has been dipped 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. The key fobs also need to be programmed so that they can connect to the vehicle receiver. This is done to ensure that only persons with keys for the same vehicle can unlock the car, and to 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 if it's been unused for a long time the transmitter and receive may have become disconnected. An effective way to test this is by using a spare key fob you have. This will help you determine if the issue is with the keyfob or with the electrical system of the vehicle. A mechanic in your car will be able to reconnect any wires that are disconnected and help you solve the problem. Try connecting the key fob with another receiver and check if that fixes the problem. If you are unable connect your key fob to another receiver in your vehicle, you may be required to take it to a dealership or auto repair shop for more detailed repairs. Damaged Key Fob Transmitter It can be a big hassle when your car's key fob stops working. Fortunately, most key fobs for cars can be repaired by following only a few steps. First, examine the fob for physical damage and make sure it's simply dead. If a replacement battery doesn't fix the issue it could be a more serious issue. Car key fobs are made up of lots of moving parts, which is why it's not unreasonable for them to undergo wear and tear with time. A damaged transmitter can prevent you from opening your car or locking its doors. A damaged transmitter may also affect radio signals sent from your key fob to the receiver inside the car. If you suspect your key fob transmitter is damaged, take it to a local mechanic for an inspection and repair. One of the most frequent reasons a key fob stops working is because its batteries are depleted. Key fob batteries typically last between three and five years, which is why it's a good idea to buy new ones on a regular basis. The replacement of a key fob's battery is a simple task that most people can do at home. All you require is a flat-head screwdriver to pry open the case, then replace the battery with a brand new one. Most key fobs are powered by 3V button cells which can be found in most auto parts stores. Another reason your key fob might stop responding is because it has an unreliable receiver. This can be a frustrating issue, because it usually happens when you're driving. If your key fob doesn't appear to be receiving any signals, try placing it inside the driver's side door lock. A damaged receiver can cause your key fob to behave in a strange manner. For example it may lock or turn off the vehicle when you push one of its buttons. If you have an extra key fob, you can try using it to see if it will respond to the vehicle's commands. If you don't have a spare key fob, call your dealer for assistance. If your current key fob is in warranty, a few new-car dealers might be able to provide a free replacement. Damaged key fob receiver Key fobs may have several issues. They are convenient tools that let us lock or unlock, as well as start our vehicles. If the remote key fob in your car isn't working correctly, you may need to call a locksmith or an auto dealer. A lot of common issues with keys can be easily fixed without the need to purchase an expensive replacement. Here are the five most commonly-cited reasons your key fob may not be working: Key Fob Needs Re-Programming Over time, a car's key fob transmitter and receiver may get out of sync with each and the other. To fix this problem it is necessary to re-synchronize your key fob and receiver by following the reprogramming instructions for your car. remote car key repair are available in the owner's manual, or contact your dealer in person for assistance. If you are unable to fix the issue, it may be other issues or interference to the key fob or its receiver. Fortunately, this is usually simple to fix by opening your key fob to get a closer view of the inside. Look for indications of damage, such as cracks in the board tiny electronic components that aren't connected to the board, or bent or damaged battery contacts. If you spot any of these, you can repair your key fob by replacing the damaged parts. The best solution for you is based on your budget and convenience. However, if your key fob was damaged or dropped, or has been subjected to other forms of physical damage it might be simpler and more affordable to have it replaced by an expert. In any event, take good care of your key fob to ensure that it continues to work smoothly for many years. You can extend its life by cleaning it regularly and avoiding extreme temperatures or electromagnetic fields. Additionally, by selecting an expert with a lot of experience with your specific vehicle's make and model, you can rest assured that your key fob will always perform exactly as you intended it to.