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How to Repair a Dead Car Key Extreme heat or cold can sometimes cause a car to stop working. It is best to wait a few minutes before replacing it. If your car keys get damaged, it's a real problem. It occurs at the worst timing! There are a variety of ways to fix the broken car key that don't involve paying for the purchase of a new key. Dead Key Fob Battery Modern key fobs allow us to open trunks, doors and tailgates without having search to find a physical key. Certain key fobs come with a built in key that can be used to start our vehicles. The fobs are powered by a tiny battery. If the battery is dead then the key fob will not be able to emit a signal that could activate the vehicle. There are a variety of ways you can fix the problem and get your car running again. First, try to determine if the key fob is dead. If it appears to be, you'll have to replace the battery. You can do this yourself by removing the key fob from its clip or using a small flat-head screwdriver to remove it. Be cautious not to put too much pressure on the fob or you may cause damage to the fob. It is also important to ensure that you're using the correct kind of battery. Certain models might require a different type of battery. You can find out what type of battery your car needs in the owner's manual, or you can go to an Interstate All Battery Center and ask a specialist to assist you. It is possible to revive a key fob that isn't dead by moving closer to the vehicle. Since the majority of key fobs use RFID (radio-frequency identification) they can only operate at a short distance and must be close enough for the ignition system to recognize the signal. If you can move just a few inches closer to your car, it might unlock or even begin to work. Many car manufacturers include backup mechanisms that can be activated when the battery for the key fob is dead. For instance, the majority of Ford models come with a designated slot for the key fob that will activate the engine when inserted correctly. Refer to the owner's manual for instructions on finding the slot and how to properly insert the key fob. If you're unable to start your car using this method, be sure to call roadside assistance for assistance. Broken Key Ring The chip in the key fob is the one that communicates with the car's immobilizer system in order to start the engine. This chip can be damaged or there may be programming errors. If this happens your key fob will not be able to send the correct identification code, and your car won't begin. A faulty transponder can be caused by physical damage to the key shell, or wear and wear on the contact pads. There are a lot of warning indicators on your dashboard when the key fob is having trouble communicating with the immobilizer system of your vehicle. These may include warnings about errors, flashing lights or the key is not locking the vehicle. If you observe any of these signs, you should contact your local locksmith immediately for key fob repair or replacement. It's easy to cause damage to your key ring by putting too excessive pressure on it, particularly when carrying many keys. This could cause the fob to break in half. This is among the main reasons for a broken car keys. If this happens, you can try using super glue to fix it by applying a small amount the glue to both sides of the break and pressing them in a controlled manner. Use a gel-type of glue that drys slowly so that you don't risk drips or runniness. If this method does not work, you need to contact a professional locksmith as soon as possible in order to prevent further damage to your car. A qualified locksmith can replace or repair your key fob quickly, and they will be able to ensure that the ignition lock and door lock aren't affected by the process. broken car key repair can be frustrating when your key fob is damaged. It's not a reason to be in a state of panic or anger. Instead you can take proactive measures to reduce the risk of your key fob rupturing again in the future. This includes regular maintenance, using key protectors and having an extra key. Quicksmith's staff is on hand to assist you if your key fob fails. Broken Key Loop One of my MK5 keyfobs has broken off the tiny key loop at the top, where it connects to the keyfob. Apparently it's made out of very soft metal or plastic. I've made a hole, then wet-sanded the surface to make it more durable. But I suspect that's not helping. I've also tried wrapping the broken part of ring with clear tape but that didn't seem to be any better. It's a shame, because I use the tiny split rings to keep my keys in place. If the key fob's case is damaged, you can often open it up and replace the battery if the battery isn't dead. Online kits are available however they are only a temporary solution. It may be quicker to have it repaired by a professional. You can also find the new case at the locksmith or home improvement stores. They're not as expensive as a brand new key fob.