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How to Repair a Key Fob It could be time to take your vehicle to an automotive service if you are unable to get the key fob to work. Before you visit an automotive repair shop, you should first check a few things. g28carkeys.co.uk fob isn't functioning is a dead battery. Most key fobs are powered by traditional 3V button cells which can be found in the majority of stores. Dead Battery The battery inside your key fob powers remote functions, which allow you to open or unlock your car's trunk, tailgate or even start the engine. However, like all batteries, the car key fob battery eventually dies. This can cause havoc and disrupt your day. Fortunately, you don't have to wait for your key fob to go out of service before deciding to replace the battery. The process is simple enough that you can do it at home and not have to hire a mechanic, which is something to consider when it's time to replace your key fob's batteries. First, look for a notch in the seam between the top and bottom. Use a flathead screwdriver or a coin to gently pull the halves of the fob apart. Once the fob has been opened, remove the old battery. Replace it with a brand new one. Once you've inserted the new battery and the fob is closed, snap the two halves together and test it. If the key fob isn't able to unlock your vehicle or start it by itself, try holding it closer to the ignition switch. The key fob's radio transmitter can send a signal to the vehicle's receiver from some distance. However, it will only function with a wireless remote powered by batteries that is near the ignition. It may not seem likely that your key fob will require a new battery, however, it's better to be prepared rather than wait for it to occur at the worst possible time. By learning how to replace the car key fob battery, you will be able to regain the remote functions that make your Chevy so wonderful to drive around Normal and Decatur. If you're interested in learning more about key fob repairs make sure to contact our experts at Leman's Chevrolet City Llc. We'll help you keep your key fob in top condition. Damaged Circuit Board When a circuit board becomes damaged, it can affect the reliability of the whole device. It can also impact the functionality of other parts or components on the device. There are several ways to repair damaged circuits. By using these techniques will allow you to bring back the functionality of your device and make it appear like new. Examine the device to determine the cause of the damage. This is especially important when you're trying to troubleshoot a complex circuit board. For instance, you must take note of any burn marks or physical damage to the circuit board. You should also check the voltage at various locations on the board. This can be done with an oscilloscope or a multimeter in accordance with the complexity of the circuit board. Faulty components are usually the cause of an unsound circuit board. It could be something as simple as a defective diode or a transistor. In other instances the issue could be caused by an unrepaired trace pathway. Traces are composed of silver or copper and are susceptible to damage due to physical damage, intense power surges and metallic dust contamination and normal wear and tear. Before you attempt to repair a circuit board, it is important to make sure you have the necessary tools and materials. This will ensure that the repair is as smooth as it can be. It is recommended to have soldering tools, sandpaper and a desoldering device at hand. You must also safeguard yourself from electrostatic discharges, which can damage circuit boards. To prevent ESD, you can either ground your workstation or wear an antistatic wrist strap. In the end, it is essential to clean the circuit board before starting the repair process. This will help to prevent further damage and lower the chance of making mistakes. It is possible to clean the board with a swab soaked in isopropyl (IPA) alcohol or a flux removal pen. Also, make sure that the soldering pads are clean and free of contaminants. Remove the tape that was left over from the areas to be repaired. This will stop any further damage to the tracks or pads. You can also trim excess tape using a craft blade. When trimming, you need to be cautious not to cut any tracks or pads on the circuit board. Copies A key fob, or small electronic device, gives access to and control of the vehicle's features without the use of a physical key. Key fobs are subject to many abuses and are not impervious to destruction. There are a lot of parts that may fail or break. Fortunately, the majority of these parts can be repaired. The most common cause of failure is the contactors for the battery terminal or buttons, but there are many other things that can be damaged. The car key fobs communicate with the vehicle by radio frequency. They have unique tags that match the car. When they are they are pressed, they transmit the data from the tag to the vehicle, meaning it can open or unlock the door or start the motor. In contrast to traditional keys, which require a key to be inserted into the ignition to activate these features the car key fob is able to operate from a distance of several feet away. Sometimes it can be a bit confusing when a car key fob begins acting up. Luckily, most issues with the key fob aren't serious and can usually be fixed at home. Cleaning the batteries or replacing them may be all that is required to repair your car key fob. It is important to remember that the key fob you have purchased doesn't work after attempting all these techniques, it might be time to replace it. It is easier to get an entirely new key fob rather than to try to find out what's wrong with your previous one. It is also safer to not be able to operate your car. Based on the model and make of your vehicle, you can buy a replacement fob through the dealer or an independent auto locksmith. The dealer can also modify the new fob to your particular vehicle. Certain car manufacturers have apps that you can download on your smartphone to allow you to unlock the doors and start the engine if you lose the key fob or ceases to function. This is a good option for those who have spare keys and wish to ensure their car's security while they work on fixing the key fob.