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How to Repair a Dead Car Key Extreme cold or extreme heat can cause a vehicle to stop working. car key fob repairs is best to wait a few minutes before you decide to replace it. It's quite a hassle when your car keys fail and they happen at the most inconvenient times! You can fix a broken key without needing to purchase a new one. Dead Key Fob Batteries Modern key fobs let us to open trunks, doors and tailgates without having fumble around to find a physical key. Some key fobs even have a built-in key that can be used to start our vehicles. The fobs are powered by a small battery. If the battery fails, the key fob cannot emit a signal that could be used to start the vehicle. There are a variety of ways to repair a dead key fob and get your car operating again. First, check if key repairs is really dead. If it appears to be, you'll have to replace the battery. You can do this yourself by removing the fob from its clip, or by using a flat-head screwdriver. You should not apply too much force, or it could cause damage to the fob. You should also make sure that you're using the right kind of battery. The majority of key fobs utilize three-volt CR2032 batteries, however certain models may require a different type of battery. If you're unsure of the kind of battery your vehicle requires the most common place to look is the information in your owner's manual or visit an Interstate All Battery Center to have a battery expert help you. You may be able to revive a key fob that isn't dead by moving closer to the car. Most key fobs use RFID (radio frequency identification) that only operates at a short distance. The ignition system needs to be able detect the signal. You can unlock your vehicle or even start it if you move couple of inches closer. Many car manufacturers have a backup system that is activated when the key fob's battery is low. Ford, for example has a slot which is dedicated to the key fob. When inserted correctly the key fob will start the car's engine. Check your owner's manual for details on how to locate this slot and how to properly insert the key fob. If you're not able to start the car using this method, contact roadside assistance. Broken Key Ring The key fob's internal chip is the one that communicates with your car's immobilizer system to start the engine. The chip could be damaged or there could be programming errors. If this occurs your key fob will not be able transmit the correct identification code, and your car won't start. In some cases the problem with a defective transponder key could also be caused by physical damage or wear and tear on the key shell or contact pads. There are often warning indicators on your dashboard if a keyfob has 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 are noticing any of these warnings, contact your local locksmith right away for key fob repair or replacement. It is very easy to damage your key ring when you put too excessive pressure on it, particularly when carrying a lot of keys. This can cause the fob to crack in half. This is among the main reasons for a broken car key. You can apply super glue on both sides of the crack and gently press them together to repair the issue. It is important to use a gel-type glue that dries slowly to prevent drips or runniness. If this method doesn't work, it's important to call a professional locksmith right away in order to prevent any further damage to your vehicle. A qualified locksmith can replace or repair your key fob in a short time and will be able ensure that the ignition lock and door lock are not affected in the process. It can be very frustrating when your key fob becomes damaged. It's not cause for anxiety or anger. Instead you can take proactive steps to reduce the risk of your key fob breaking again in the future, including regular maintenance, using key protectors and having an extra key. If you do experience a problem with your key fob the team at Quicksmith is ready to help! Broken Key Loop One of my MK5 keyfobs is broken off the tiny key ring loop at the top, where it connects to the keyfob. It appears to be made of extremely soft plastic or metal. I've drilled a hole, and wet-sanded it to make it stronger, but I suspect that the issue isn't solved by that. I've also wrapped the broken part of the ring with clear tape, but that does not seem to do any good. This is a pity, as I use the little split rings to keep my keys in the right place. If the case for the key fob is damaged It's usually possible to remove the case and replace the battery (assuming the battery isn't dead). There are online kits for this, however they generally only offer temporary fixes – it may be faster to take it to a mechanic who will replace the battery and reprogram the key fob. You can also locate a new case at an a locksmith or home improvement store. They're unlikely to be as expensive as an entirely new key fob.