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How to Repair a Key Fob If you are unable to find your key fob and start the car, it might be time to visit an automotive service. Before you visit an automotive service you must first confirm a few things. Dead batteries are the main reason behind your key fob's inability to function. Most key fobs are powered by traditional 3V button cells which can be found in a majority of stores. Dead Battery The battery in your key fob is responsible for powering the remote functions that let you unlock your vehicle, open the trunk or tailgate, and start your engine. But, just like all batteries, the key fob's battery will eventually fail. When this happens, it will cause havoc to your day and disrupt your schedule. You don't need to wait until your key fob wears down to replace the battery. The process is easy enough that you can do it at home and not have to pay a mechanic, which is something to consider when it comes time to replace the batteries on your key fob. The first thing you need to do is to look over the fob's key for a slot or notch along the seam that separates the top and bottom of the fob. Use a flathead screwdriver or a coin to gently pull the two halves of the fob apart. Once you've opened the fob, pull out the battery that was in it and replace it with an alternative one in its place. The two halves of the fob together after you've installed the new battery. Then test it. If you're still having trouble getting the key fob to unlock your car or start the engine, try holding it closer to the ignition switch. The radio transmitter on the key fob can transmit a message to the vehicle's receiver from an extended distance. However, car keys repair will only function with a wireless remote powered by batteries located close to the ignition. It may seem impossible that your key fob will need a new battery, but it is better to be prepared than wait for it to happen at the worst time. If you can learn 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 the repair of your key fob make sure you contact our service pros at Leman's Chevrolet City Llc. We'll show you everything you must know about keeping your key fob in top shape. Damaged Circuit Board A damaged circuit board could impact the performance and integrity of the device. It can also cause problems with the operation of other parts and components on the device. There are several ways to fix damaged circuits. These techniques will restore your device's functionality and make it appear brand new. The first step is to examine the device to determine the cause of the issue. This is especially important when you're trying to resolve a complicated circuit board. For instance, you need to take note of any burn marks or physical damages to the circuit board. Also, you should examine the voltage at various points on the circuit board. This can be done with a multimeter or an oscilloscope, depending on the complexity of the circuit board. Circuit boards that are damaged are often caused by malfunctioning components. This can include a bad transistor or diode. In some instances the issue could be caused by damage to the trace route. Traces are made of copper or silver, and can be damaged by physical damage, power surges, contamination with metallic dust and normal wear. You must ensure that you have the proper tools and materials prior to attempting to repair the board. This will ensure that the repair is as smooth as it can be. For instance, you should have a soldering gun, sandpaper and a desoldering device. Also, you should protect yourself from electrostatic discharges which can damage 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 starting the repair. This will help prevent further damage and will reduce the chance of mistakes. It is possible to clean the board using the swab which is soaked in Isopropyl (IPA) alcohol or a flux removal pen. In addition, you should ensure that the soldering area is clean and free of any contaminants. Remove the tape in excess from the repaired areas. This will stop further damage to the tracks or pads. You can also use a craft knife carefully cut the tape. When cutting, it is crucial to ensure that you don't cut any of the tracks or pads 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 to many abuses and are not indestructible. They also contain a myriad of parts that may fail or be damaged. Fortunately, most of these parts can be fixed. The most common point of failure is the contacts on the battery terminals or buttons, but there are many other things that can be damaged. Car key fobs communicate with the vehicle using radio frequency. They are equipped with distinct tags on them that match the car, and when they are pressed they transmit the tag's information to the vehicle so it can open or close the door, or even start the engine. Unlike traditional keys, which must be in the ignition to activate these features, the car key fob is able to do it from several feet away. It can be confusing when your car key fob stops working. Fortunately, most problems with a key fob are not major and can usually be repaired at home. The car key fob might be able to be cleaned or the batteries changed. However, it is important to remember that if you try all of these methods and your key fob does not work, it may be time to replace it. Getting a new one can be more efficient than trying to figure out what's wrong with the current key fob and it's a lot safer than having no way to operate your vehicle. You can purchase an alternative key fob from the dealer or an auto locksmith, based on the make and model of your car. The dealer can also reprogram the new key fob to fit your vehicle. You can download apps from a variety of car manufacturers onto your smartphone to unlock doors and start the vehicle in case you have lost or broken your key fob. This is a solution for those with a spare key fob and who want to secure their vehicle while they fix the broken one.