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How to Repair a Car Key Fob The key fob is jostled around a lot, which means the buttons could be damaged or stuck. You can give it a good clean and replacing the battery if you need to. The majority of cars have batteries that are coin-style that you can buy at big box stores or home improvement stores as well as pharmacies. Certain models require programming equipment that is only available to dealers. Dead Battery The car key fob is a compact and useful device that makes entering your vehicle and launching it more simple than ever. But what happens when you push the button few times, and your car isn't responding? The most common cause for this is an unresponsive battery. The battery can be easily replaced. You can find replacements in auto parts stores, supermarkets and even some home improvement centers. However there are other features that the key fob offers may not function. This could be due to a mechanical issue or an electrical issue, or even a programming error within the car's receiver. In these cases it is recommended to consult an expert. Most manufacturers include a mechanical slot on the fob that can be used in case of dead cells. In the majority of cases, a cover will be placed on the handle of the fob in order to cover the key slot. The physical key can be inserted into the slot, which allows you to unlock your door and start your car. Make sure to insert the key fob back into the slot once you have started the car. If you're fortunate enough to have a Ford car that has SYNC Connect, there's another way you can start the car without using the key fob. The majority of SYNC Connect equipped Ford vehicles come with an additional “E-blade” in the cupholder. This is a mechanical key that can be used to push the starter button in the event that your key fob fail to start the vehicle. To make the most of this feature, you should make sure the battery is charged. You can also refer to your owner's manual to find out how to use it. If you're still having issues with your car after changing the battery on your key fob, it may be time to call a locksmith or your dealership to have the battery replaced or repair the fob. In certain cases the key fob could be programmed to your car by replacing the battery at the dealership or at certain Interstate All Battery Center locations. This will only work as long as the antennas and circuit board have not been damaged. Damaged Buttons Through the course of its life your car key fob's buttons are likely to be subjected to a lot wear and wear and tear. They are prone to dropping and are often sat in purses and pockets. The jolting may cause internal components to become loose or damaged, resulting in them not responding when you press them. This issue can be resolved by following a few steps, however you may also need to consult a locksmith. In addition to a dead battery The most frequent reason why a key fob for a car will not work is because it requires new batteries. These little coin-shaped batteries are quite affordable, and it's not difficult to find them in hardware stores or large-box retailers. You can also find videos on YouTube and in your owner's manual that describe how to replace the battery in your key fob. It's important to remember that some keyfobs need a specific procedure to enter the required programming mode to change the batteries. In such cases you'll need to refer to your owner's manual and/or a reputable auto locksmith to ensure you're following the correct procedure. Leaving your key fob in extreme hot or cold temperatures could cause it to cease working, especially if the battery has died. In such a case you'll have to talk to an automotive locksmith or dealer to obtain the replacement fob. If the buttons on your key fob remain unresponsive it could be because the contacts inside are worn out. These contacts are rubber-like and coated with an electricity-conducting film, but they can start to wear out over time due to repeated use. You can fix this problem by dismantling the key fob and putting the metallic tape over the contacts that are worn out. It is important to be aware that some key fobs are extremely difficult to open. They can only be opened by using specialized equipment that is available from a dealership. If you attempt to open it with the use of a screwdriver or other tool, you may end in causing damage to the internal circuit board. This could result in an expensive repair bill. Circuit Board Issues The circuit board may be the reason for your key fob not functioning as well as it did to. The circuit board is an electronic chip in the case that sends signals to your car, telling it to close your doors, lock the trunk and even switch off your ignition. If the circuit board is damaged the key fob will not be able transmit these signals. If you are skilled in the field, you can repair damaged circuit boards yourself. Begin by removing the battery and taking the holder and rubber button assembly from the circuit board. Use a cotton swab and some rubbing alcohol to clean around the contacts and plastic frame. This should remove any corrosion that blocks the circuit board from transmitting signals. After you've assembled your key fob, make sure that it can enter the programming mode. Usually, this requires switching it off and on several times, so be sure to consult the owner's manual for specific instructions. The majority of car manufacturers have videos on the internet that show you how to accomplish this. If you're not sure to do it then you can take your key fob to an expert locksmith who is knowledgeable about the vehicle model you have. Some newer key fobs feature a built-in receiver that allows you to unlock your trunk and open the doors, as well as turn on the ignition and start your engine from an extended distance. They are generally more reliable and operate with greater precision. If your key fob does not perform as well as it used too it could be due to an internal problem that's not working properly or a faulty external antenna. If you can't get your key fob to function, the most likely culprit is the battery is dead. It's cheap and simple to replace. However, if the fob's buttons or circuit board are damaged, you'll need to be able to have it repaired professionally and reprogrammed. Many dealerships offer this service but you can also find a shop that specializes in the brand of your car. Forgotten Key It's an absolute nightmare if you lose the car key fob. It's possible to turn your house upside down and retrace your steps and searching everywhere, including in drawers, bags, under couches, and even in your cat's bed. You'll find it eventually. Prevention is the best method to avoid losing your key fob. If you've even a hint of ADD or are just not paying attention, make several copies and distribute them to family and close friends members, so that when you lose yours, you won't spend 4 hours sweating and cursing yourself for the rest of your life. Many cars come with key fobs that let you to lock and unlock doors, and in certain cases activate the alarm system or open the trunk. However, a few of the more advanced models have more advanced features, like the capability to call your car at the touch of a button. This feature isn't in all models but if you own one of the cars that can do it (Genesis GV60 and Hyundai Sonata are two examples), this is an awesome feature to have. If you have an extra car key fob programmed for your vehicle, you can use it in the event you lose the original. You can also reach out to an automotive locksmith and request them create an entirely new key fob that has specifically programmed for your vehicle. But before you do make contact with your dealer to determine if they are able to offer the replacement key fob for you at a cheaper cost. If you don't own a spare and you don't have a spare, the only way to start your vehicle is to contact an auto locksmith to replace the key fob you have or make a new one. car key immobiliser repair can also help, but they will need your car to be towed as well as proof of ownership. But car key remote repair is that these services are affordable, particularly when compared with buying a new key from your dealer that can cost between $200 and $250.