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How to Repair for beginners If you can't find your key fob and start the car, it might be time to go to an automotive service. But before you go to that there are some things you need to examine first. Dead batteries are the most obvious reason for your key fob not working. Fortunately, the majority of key fobs run on normal 3V button cell batteries which are readily available in most stores. Dead Battery The battery in your key fob is responsible for the remote functions that allow you to open or lock the trunk, tailgate or trunk of your car, or start the engine. The battery in your car key fob will eventually go out of service as does any other battery. If this happens, it can ruin your day and alter your schedule. You don't need to wait until your key fob wears down to replace the battery. It's a simple task to complete at home, which means you don't need to pay an expert to replace your keyfob batteries. The first step is to look over the key fob for a notch or slot along the seam which separates the top and bottom of the fob. Use a flathead screwdriver or a coin to gently pry the halves of the fob apart. Once the fob has been opened, remove the old battery. Replace it with a fresh one. Once you've inserted the new battery, snap the fob halves together and test it. If the key fob isn't able to unlock your vehicle or start it then try holding the fob closer to the ignition switch. The radio transmitter on the key fob can send a message to the vehicle's receiver from a distance. However, it will only work with a wireless remote powered by batteries that is close to the ignition. It may seem impossible 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 moment. If you can learn how to replace the car key fob's battery, you'll be able to restore the remote functions that make your Chevy so great to drive around Normal and Decatur. Contact our service specialists at Leman's Chevrolet City Llc if you would like to know more about repairs to your key fob. We'll show you how to keep your key fob in great condition. Circuit Board Damage A damaged circuit board may affect the integrity and performance of the device. It could also cause issues with the operation of other components and parts within the device. There are a variety of ways to repair a damaged circuit. These techniques can bring back the functionality of your device and make it appear new. First, look over the device to determine the source of the issue. This is especially important when you're trying to solve a problem with an intricate circuit board. You should be aware of any burn marks on the circuit board or any other physical damages. You should also check the voltage at different points on the board. This can be done using a multimeter or an oscilloscope, depending on the complexity of the circuit board. Circuit boards that are damaged are usually caused by malfunctioning components. These can be things such as a bad diode or transistor. In certain instances the issue could be caused by a damaged trace route. Traces are composed of silver or copper and are susceptible to damage due to physical damage, severe power surges and metallic dust contamination and normal wear and tear. It is important to ensure that you have the proper tools and materials before attempting to repair the board. This will ensure that the repair goes as smooth as it can be. You should have soldering tools as well as sandpaper and a desoldering device on the go. Also, you should protect yourself from electrostatic discharges which can damage circuit boards. To prevent ESD you can ground your workstation or use an antistatic wrist strap. It is also essential to clean the board before starting the repair. This will 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. In addition, you should make sure that the soldering pad is clean and free of contaminants. Remove the tape in excess from the repaired areas. This will stop further damage to the pads or tracks. You can also cut off the excess tape using an instrument or craft blade. When trimming, it is important to ensure that you don't cut any pads or tracks on the circuit board. Copies A key fob is a small electronic device that enables access to and control over the functions of a vehicle without the physical key. These devices receive lots of abuse and are not impervious to destruction. They also have a variety of parts that may break or malfunction. The majority of these components are repairable. Contacts to the battery terminal and buttons are the most frequent failure point however, there are many other things that could go wrong. Car key fobs make use of radio frequencies to communicate with the car. They are equipped with specific tags that are unique to the car and when activated, they relay the data from the tag to the vehicle so that it can open or unlock the door or start the motor. A car key fob is more convenient than traditional keys that need to be in ignition to activate the features. It can be a bit confusing when your car key fob isn't working. Luckily, most problems with the key fob aren't serious and can usually be fixed at home. Cleaning the batteries or replacing them might be all that's needed to repair your car key fob. It is crucial to remember that when your key fob does not work after attempting all these methods, it could be time to replace it. It is easier to get a new key fob than to try to determine what's wrong with your previous one. It is also more secure to not be capable of operating your vehicle. Depending 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 reprogram your new fob to work with your vehicle. You can download apps from various car manufacturers to your smartphone to unlock doors and start the vehicle if you have lost or broken your key fob. This is an option for those who have a spare key fob and who wish to keep their car secure while they repair the damaged one.