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Key Fob Repair Service – 5 Common Reasons Your Key Fob Won't Work A key fob that breaks down is an unpleasant situation. The majority of fob issues can be fixed at home with an auto locksmith or aren't important. The first step is to examine the key fob to see whether it is suffering from physical damage or a dead battery. Then, you can reset the fob according to the instructions provided in your owner's manual. Click On this page With a key fob, you can start and unlock your vehicle without having to fumble around with your keys. Many models unlock doors, trunks, and hatchbacks by pressing the button. A dead key fob is not as difficult to fix as it might appear. Many car owners know that they can visit a dealer or repair shop for help, but did you realize that you can also try to fix your own key fob at home? First, you'll require a brand new CR2032. Most hardware stores carry batteries in multipacks. Then you can use the flathead screwdriver or watch to the case of the fob. Once you've opened the first gap and you're ready to use your pry tool to further open the case. Be gentle, as you don't wish to harm the fob or its circuit board. Insert the new battery under the tabs marked with yellow arrows on this photo. Make sure that it is between the two smaller tabs indicated by green arrows. Close your key fob after installing the new battery and then test it. If it's still not working, it might be the right time to contact an expert for more detailed troubleshooting. In rare cases replacement of a battery in the keyfob could result in a malfunctioning device. In this instance, there's probably something wrong with the vehicle or the fob. It's a good idea keep a spare key fob on hand so you can be prepared when the original battery fails or a different issue occurs. You can also request a professional to carry out other repair services for your key fob. They can inspect for damaged buttons as well as contacts and other components. They can also carry out the reprogramming or synchronization process if your vehicle is having issues communicating with your keyfob. Key Fob Battery Damage The majority of key fobs are powered by a tiny battery, which powers the internal components. This includes the buttons that trigger the antenna and chip to release the radio frequency. The battery also powers the plastic casing which protects these components. If the battery dies the key fob won't work. The solution is easy and cost-effective: replace the battery. In the owner's manual of their product, many manufacturers provide instructions on how to replace key fob's battery. It's not difficult to do and you'll save money by doing it on your own instead of taking the fob to a dealership or auto shop. There could be a second problem if your key fob doesn't work after replacing the batteries. Examine the key fob to see whether there are any physical damage, like cracks or dents. You can also look inside the case to check the circuit board for signs of corrosion or other issues. If you're comfortable, you can use a cotton ball that has been dipped in rubbing alcohol to clean contact points on the circuit board of the key fob. This will remove the corrosion without causing damage to the fob. The key fobs must also be programmed to connect to the vehicle receiver. This is to ensure that only those who have keys to the same car can unlock the vehicle and prevent key fobs that are not meant for that vehicle from opening it. If you recently had your key fob replaced or repaired, or if it hasn't been used for some time the receiver and transmitter could have been disconnected. An effective method to test this is using a spare key fob you have. This will let you know if the issue is with the keyfob, or the electrical system of the vehicle. A car mechanic will be able to connect any disconnected wires and assist you in resolving the issue. You could also try connecting the key fob to an alternative receiver to check if that fixes the problem. If you're not able to do this, you may have to take your key fob to a car dealer or auto repair shop for more in-depth repairs. Damaged Key Fob Transmitter When your car key fob isn't working, it could be a major hassle. Most car key fobs are easily repaired by following a few easy instructions. Examine the fob to determine whether it's suffering from physical damage and make sure that it's not dead. If a replacement battery doesn't solve the issue, it could be a bigger issue. Car key fobs have many moving parts, and it's not unusual to expect them to suffer wear and tear with time. A damaged transmitter can prevent you from opening the car's doors or starting it. the doors. A damaged transmitter could also affect radio signals sent from your key fob to the receiver inside your car. If you suspect that your key fob's transmitter is damaged, bring 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 recommended to replace them frequently. The replacement of a key fob's battery is a relatively simple process that can be done by most people at home. All you need is a screwdriver with a flat head to open the case, and then replace the battery with a new one. Most key fobs use 3V button cell batteries, which are sold at most auto parts stores. A damaged receiver may be the reason behind your key fob not responding. This is a frustrating issue that usually happens while you are driving. If your key fob doesn't seem to be receiving a signal, try placing it in the driver's side of the door lock. A damaged receiver could cause your key fob to act in a strange manner, for example, shutting off or locking the vehicle when you press one of its buttons. Try using a spare keyfob to see whether the vehicle responds. Call your dealer if you don't have an extra keyfob. In some cases the new-car dealership might be able to provide a replacement for free when the current fob is in warranty. Damaged Key Fob Receiver Key fobs can have many issues. They are convenient tools that allow us to lock or unlock, as well as start our cars. If your remote key fob for your vehicle isn't working correctly, you may need to call a locksmith or an auto dealer. Fortunately, most common issues with keys are easily resolved without having to pay for an expensive replacement. Here are the five most commonly-cited reasons your key fob may not be responding: Key Fob Needs Re-Programming Over time, the key fob transmitter and receiver could become out of sync with one the other. To fix this problem it is necessary to re-synchronize your key fob and receiver by following the reprogramming guidelines for your vehicle. You can find these instructions in your owner's guide or contact your dealer in person for assistance. If reprogramming the keyfob does not solve the issue, there might be a problem or an interference with your receiver or keyfob. Fortunately, this is usually simple to fix by opening your key fob for a better inspection of the inside. Look for signs of damage, for example cracks in the board, tiny electronic components that aren't connected to the board or damaged or bent battery contacts. If you find any of these, you can fix your key fob by replacing damaged components. The best option for you is based on your budget and the convenience. If your key fob was dropped or subjected to other physical damages, it may be easier and less expensive to replace it by an expert. In any case, make sure to take care of your key fob so it can provide you with years of trouble-free operation. By regularly cleaning it and avoiding exposing it to extreme temperatures or electromagnetic fields, you can ensure it will last for as long as is possible. Additionally, by selecting a professional with plenty of experience working with your particular vehicle's make and model and model, you can be confident that your key fob will function exactly as it was intended to.