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How to Repair Key Fob Issues Despite their longevity key fobs aren't immune to wear and tear. They can get damaged or cease to function. This can happen for many reasons. The most frequent cause is a dying or dead battery. Fortunately, replacing the battery is a simple solution. Other problems may be more complicated. Signal interference is a possibility. It could be a button issue. Battery Your key fob is a pretty tiny and fragile piece of plastic, so it's not hard to have things go wrong. Most key fob problems aren't a big deal or even serious and can be easily fixed with the right tools and a basic understanding. In certain cases the simple replacement of a battery might be the solution. The first thing to do is check your key fob for signs of damage. The exterior of your key fob must be free of dent marks, scratches and other marks which could suggest that the battery is running low or the fob is not functioning properly. After you've checked the exterior, you'll want to use a flat-head screwdriver to break open the key fob's shell and look at the circuit board and battery. Most key fobs are powered by a 3V button cell battery that is easily accessible at stores such as Walmart. If you're not sure what kind of battery your key fob takes look up the owner's manual or local auto Locksmith to get assistance. After changing the batteries, if your key fob isn't working, it could be due to interference with the signal. This can occur when other devices or security systems interfere with radio signals sent between your key fob, and your vehicle. Your dealer might be able of manually reprogramming your key fob if this is the case. Another common problem with key fobs is worn-out contact within the device that connect to your vehicle's system. If the contacts get damaged or worn the key fob will no longer be able to send or receive signals. This can be a tough repair, but it's possible to use metallic tape and the hole punch to make an interim repair. If you look online for the year and make, along with the model you can find a cheap key fob housings that can be replaced and buttons. The key is to be careful not to alter your fob or altering the battery too much by yourself Always seek assistance from a professional whenever you are able to. This will prevent you from causing additional damage to your key fob, and ensure that it is in good order for many years. Buttons Key fobs can be useful additions to modern vehicles, but they can also cause problems. Some simple troubleshooting tips and maintenance tips will ensure that your key fobs function as you expect them to. A dead battery is among the most common causes for a car key fob to cease to function. A typical key fob lasts between three and four years. If you notice that it takes more than one click to unlock your vehicle or the car isn't as responsive as before it might be time to replace the batteries. Replacing the battery in the key fob is a relatively simple task that most people can complete themselves. Most key fobs have a small indentation which you can press with the flathead screwdriver or coin to open the case, allowing you to remove the old battery and insert the new one. Most key fobs use a lithium-ion button cell battery, which can be easily located at supermarkets, pharmacies and home improvement stores. They are just about any place that sells batteries. Another possible reason the key fob could not function is because the buttons aren't working correctly. Certain key fobs come with an unlock button that locks the vehicle doors and others unlock all doors with a single press and close the trunk/open the trunk using a second press. If you press the lock or unlock button on your key fob but it does not work is there an issue with the wiring, the switch or the antenna, and you'll need to consult the owner's manual for further instructions. The most common issue with the key fob is that it's not receiving or transmitting the correct signals to the vehicle. This could occur when the key fob is damaged, or if it's subjected to electromagnetic interference, which can come from the pocket of your device or other electronic devices, or even from your vehicle's security system itself. You can unlock your car using another key fob of the same year and model as the one you have (although it will not usually start the vehicle). You can also make use of a signal strength tester to determine if the signal is weak in a certain region. Circuit Board If your key fob stopped working, you should first make sure that the battery is dead. If replacing the battery does not solve the issue, you may have to reprogram the fob. This procedure is more complex and differs for every vehicle, which is why it is recommended that you take your fob to a professional for this done. It is also possible to replace the buttons on your key fob. The buttons may wear out over time as a result of repeated use. If you notice that you have to be closer to your vehicle than usual to unlock, this is a sure sign that your key fob might require replacement. If the fob has a physical key inside the fob, then you could try using that to unlock your car. remote key repair with the key fob is that it could be damaged due to water damage or electrical shock. These can cause the circuit board in the key fob to stop functioning. If your key fob is damaged, you should always consult the manufacturer regarding their warranty. You can also try resetting the key fob. In the owner's manual you will find detailed instructions. You should also look on the internet for specific instructions for your specific model and make. It is a simple procedure, but it's important to follow the right steps to avoid causing damage to your device. Genesky says he is forced to turn down a lot of Audi owners since they require specialized equipment to program fobs. He says this is not unusual for European vehicles, which usually come with digital encryption and can only be programmed by dealers. A functional key fob is crucial to moving around in the modern world. A car key fob can break or stop working at any time it can make your life miserable. If you follow these guidelines to repair your key fob, and spare yourself the headache of purchasing an entirely new one. Case Study Key fobs are a great convenience for car owners. However, they may be prone to issues that need to be resolved. Certain issues can be solved by replacing the battery. Others may require more work. Fortunately, there are some things that can be done to help prevent key fob problems from arising in the first place. Cleaning the fob regularly is crucial, as is making sure you have the right batteries and keeping it away from magnetic fields or other electromagnetic fields. One of the most common issues that cause the key fob to stop functioning is the battery is dead. It is fairly easy to replace the battery at home. You can pull the battery out of most key fobs with the help of a screwdriver. Make sure you use the exact type of battery suggested by the manual for your owner. The wrong battery could cause the electronics to become corroded and stop working properly. Signal interference is a different issue that can cause the key fob to cease working. It can happen when other electronic devices or security systems interfere with signals being sent between your key fob and the vehicle's control unit. To test for this issue, try unlocking your vehicle using a an additional key fob to see whether it works. The case for a key fob could also become damaged, which can cause it to stop functioning properly. A professional locksmith is usually able to resolve this issue. They can fix the outer case and ensure that all internal components are in good working order. car key fob repairs can be much cheaper than buying an entirely new fob. It can save you a lot of time and stress. It is essential to weigh the pros and cons before deciding whether or not you want to replace your key fob. A quick and inexpensive repair is possible, but replacing usually requires programming that is specific to your vehicle.