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How to Repair a Key Fob If you are unable to get your key fob to start the vehicle, it could be time to take it to an automotive repair shop. Before you visit an automotive service it is important to first verify a few things. The most obvious reason your key fob isn't working is due to a dead battery. Most key fobs are powered by conventional 3V button cells which are available in a majority of stores. Dead Battery The battery inside your key fob powers the remote functions, which allow you to unlock or open the trunk, tailgate or trunk of your car or even start the engine. However, like all batteries, the car key fob battery eventually dies. If this happens, it will cause havoc to your day and throw off your schedule. You don't need to wait until your key fob breaks down to replace the battery. It's easy enough to do at home, which means you don't have to hire an expert mechanic to replace your key fob's batteries. The first thing to do is look at the fob's key for a slot or notch along the seam that divides the top and bottom of the fob. Utilize a flathead or coin screwdriver to push into the hole and gently the fob's two halves. Once you've opened the fob, pull out the old battery and then insert a new one in its place. After you've inserted the new battery, snap the fob halves together and test it. If you're still having trouble getting the key fob to unlock your vehicle or start the engine by holding it close to the ignition switch. The radio transmitter in the key fob can send a signal to the vehicle's onboard receiver even from just a few feet away, but it only works in the event that a battery-powered remote is in close proximity to the ignition. It may not seem likely that your key fob would require a new battery but it's better to be prepared than wait for it to occur at the worst possible time. If you know how to replace the car key fob battery, you'll be able to restore the remote functions that make your Chevy so great to drive around Normal and Decatur. If you're interested in learning more about the repair of your key fob make sure to contact our service pros at Leman's Chevrolet City Llc. We'll teach you how to keep your key fob in great condition. Damaged Circuit Board If a circuit board is damaged, it may affect the overall integrity of the device. It can also cause problems with the performance of other components and parts on the device. Fortunately, there are several repair techniques that can repair a damaged circuit board. With these methods, you can restore the functionality of your device and make it appear new again. The first step is to examine the device to determine the root of the issue. This is especially important when you're trying to resolve a complicated circuit board. For instance, you should keep track of any burn marks or other physical damage to the circuit board. Also, you should check for the proper voltage at different points on the circuit board. This can be accomplished using an oscilloscope or multimeter, depending on the complexity of the circuit board. Circuit boards that are damaged are usually caused by malfunctioning components. This can include a bad transistor or diode. In some instances the issue could be caused by an unrepaired trace route. Traces are made from silver or copper, and can be damaged because of physical damage, power surges, contamination with metallic dust and normal wear. It is important to ensure that you have the correct tools and materials before you attempt to repair the board. This will ensure that the repair will be as smooth as it could be. For instance, you should have a soldering gun, sandpaper and a desoldering tool. You must also safeguard yourself from electrostatic discharges, which can cause damage to circuit boards. To prevent ESD, you can connect your workstation to the ground or use an antistatic wrist strap. It is also essential to clean the board before beginning the repair. This will stop further damage and help reduce the chance of errors. To clean a circuit board, you can use a swab that is saturated with isopropyl alcohol (IPA) or a flux remover pen. You should also ensure that the soldering pads are free of contaminants. Then, you must take the extra tape off the repaired area. This will avoid further damage to the pads or tracks. You can also carefully trim the excess tape with the help of a craft knife. When trimming, you need to be careful not to cut any pads or tracks on the circuit board. Copies Key fobs are small device that provides access to and control over the functions of a vehicle without the physical key. These devices are subjected lots of abuse and are not impervious to destruction. There are many components that may fail or break. Most of these parts can be repaired. The most common cause of failure is the contacts on the battery terminals or buttons, but there are many other factors that can fail. Car key fobs use a radio frequency to communicate with the car. They have unique tags that correspond to the car and when activated, they relay the tag data to the vehicle, meaning it can open or unlock the door, or even start the motor. Contrary to traditional keys that require a key to be in the ignition to activate these functions, keys for cars can perform the task from a few feet away. It can be confusing when your car key fob stops working. Fortunately, most issues with keys aren't major and can usually be fixed at home. Cleaning the batteries or changing the batteries could be all that's required to fix your car key fob. It is crucial to remember that the key fob you have purchased doesn't work after trying all these methods, it could be time to replace it. It is easier to get an entirely new key fob rather than trying to determine what's wrong with your previous one. It is also safer not to be able to operate your vehicle. repair broken car key can buy an alternative key fob from a dealer or an auto locksmith, depending on the make and model of your car. The dealer can also modify the new fob to your particular vehicle. You can download apps from a variety of car manufacturers onto your smartphone to unlock doors and open the vehicle if you lose or break your key fob. This is a great option for those who have spare keys and want to maintain the security of their car while they work to fix the key fob.