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Key Fob Repair Service – 5 Common Reasons Your Key Fob Won't Work The loss of your key fob down is a frustrating situation. Most fob issues can be resolved at home with an auto locksmith, or aren't serious. The first step is to check the fob's keypad for physical damage as well as dead batteries. Then, you can try resetting the fob according to instructions from your owner's manual. Dead Key Fob Battery With a key fob, you can open and start your vehicle without fumbling around with your keys. Many models unlock doors hatchbacks, and trunks by pressing the button. While the battery of your key fob is dead, it might seem like a major inconvenience, it's actually one of the easiest problems to fix. You can take your car to a repair shop or dealership for assistance. But did you know that you can fix your fob on your own? You'll require a brand new CR2032. You can buy them in a multipack at many hardware stores. Use a flathead screwdriver or watch to push the case open. There's typically an opening or notch to get started, and once you've created the first gap you can use your tool as you would peel an apple or orange to open the case further. Be gentle; you don't want breaking the fob's case or the circuit board within. Place the new battery in the tabs indicated by yellow arrows in this photo. Make sure that it is past the two smaller tabs highlighted by the green arrows. After the new battery is in place, close up your key fob and try it. If it doesn't work then it's time to call a professional for more in-depth troubleshooting. In rare cases, replacing a battery in the keyfob could result in a non-functional device. In this situation it's likely that there's a problem with the device or vehicle. Keep a spare keyfob on hand to ensure you're ready in case the battery dies, or if another problem occurs. In addition to battery replacement, you may also request an expert to inspect and make any other key fob repairs. They can inspect for damaged buttons or contacts, as well as other components. They can also perform the reprogramming or synchronization process if your vehicle is having trouble communicating with your keyfob. Damaged Key Fob Battery The majority of key fobs are powered by a small battery that powers their internal components. This includes the buttons that trigger the chip and antenna for releasing a radio frequency. The battery also powers plastic casings that protect these components. Your key fob will not function if the battery is dead. The solution is simple and cost-effective: replace the battery. A lot of manufacturers provide instructions in their user's manuals on how to change the battery on the key fob. It isn't easy but it's not difficult to accomplish and you'll likely save money by doing it yourself, rather than taking the fob to the auto shop or dealership. If your key fob still not working after replacing the battery, you may have another issue. Check the key fob for indications of physical damage, for example cracks or scratches. You can also open the case and inspect the circuit board for signs of corrosion or other issues. If you're comfortable doing this, you can employ a cotton swab that has been soaked in rubbing alcohol to clean the contact points on the circuit board. This will remove the corrosion without damaging the fob. The key fobs should also be programmed to connect to the vehicle receiver. This is to ensure that only persons who have keys for the same vehicle are able to unlock the car and to prevent other key fobs from trying to access vehicles they were not designed for. If you've recently had your key fob repaired or replaced or if it has been in use for a while, the transmitter and receive may have been disconnected. An effective way to test this is using a spare key fob that you have. This will tell you whether the issue is with the key fob or your vehicle's electrical system. A mechanic can help you solve the issue by reconnecting any disconnected wires. You can also try connecting the key fob with a different receiver and see if this fixes the issue. If you're unable to accomplish this, you may have to take your key fob to an auto dealer or repair shop for more thorough repairs. Damaged Key Fob Transmitter When your car key fob stops working, it can be a major issue. Most key fobs for cars can be easily repaired by following a few easy guidelines. Check the fob to determine whether it's suffering from 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 solve the issue, it could be a larger issue with the fob's transmitter. It's not surprising that car key fobs wear out with time. They're made of a variety of moving parts. A damaged transmitter on your fob can stop your vehicle from starting or from unlocking the doors. Furthermore the damaged transmitter could interfere with the radio signals that are sent between your key fob and the receiver inside the vehicle. If you suspect your key fob's transmitter is damaged, take it to a local mechanic for an inspection and repair. Batteries are often the cause of a key fob not working. Key fob batteries last between three and five years. It is best to replace them frequently. Replacing the battery of a key fob is a simple task that most people can do at home. All you need is a screwdriver with a flat head to open the case, and then you can replace the old battery with a brand new one. Most key fobs are powered by 3V button cell batteries that are readily available at many auto parts stores. Another reason your key fob may not be responding is because of a defective receiver. This could be a problem that is frustrating, because it is most likely to occur when you're driving. If your key fob isn't appearing to be receiving a signal try putting it inside the driver's door lock. A damaged receiver could cause your key fob to act in a strange manner, for example, switching off or locking the vehicle when you press one of its buttons. Try using an alternate keyfob to determine whether the vehicle responds. Call your dealer if you do not have a spare keyfob. In certain cases an auto dealership may be able to provide a replacement for free if your current fob is covered by warranty. Damaged key fob receiver Key fobs can be prone to a number of problems. They are useful tools that allow us to lock or unlock, as well as start our vehicles. If your remote key fob for your car isn't functioning properly it's likely that you need to contact a locksmith or auto dealer. A lot of common issues with keys are easily fixable without the need for an expensive replacement. Here are five of the most frequent reasons your key fob may not be working properly: Key Fob Needs Re-Programming As time passes, the transmitter and receiver of a car key fob may become out of sync. To fix this issue, you'll have to reconnect the key fob to its receiver following the reprogramming instructions for your vehicle. These instructions are available in the owner's manual or ask your dealer nearby for assistance. If reprogramming your keyfob can not solve the issue, there might be damage or a problem with your receiver or keyfob. Luckily, this issue is easy to fix by opening the key fob to get a closer view of the inside. Find indications of damage, such as cracks in the board tiny electronic components that aren't attached to the board, or bent or damaged battery contacts. You can repair the key fob in the event that you discover any of the above. If you have to replace or repair your key fob, the best solution will depend on the source of the problem and how much you value convenience and cost. If your key fob is damaged or has been dropped, it might be more affordable to replace it professionally. In any event, make sure to take care of your key fob so that it can continue to provide you with years of smooth operation. You can prolong its lifespan by regularly cleaning it and avoiding extreme temperatures or electromagnetic fields. In remote key repair , by choosing an expert with a lot of experience in your particular vehicle's make and model you can be sure that your key fob will always perform exactly as you intended it to.