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How to Repair a Dead Car Key Sometimes extreme heat or cold can cause the car key to stop working properly. Try waiting a little while before you spend money to replace it. If your car keys are damaged it can be a major trouble. It occurs at the most inconvenient timing! Repairing a damaged key without the need to purchase another one. Dead Key Fob Battery Modern key fobs let us open doors, trunks, and tailgates without the need for a car key. Some key fobs have an inbuilt key that can be used to start our vehicles. However, these fobs depend on a tiny battery that provides power to their remote functions. If the battery dies then the key fob cannot transmit the signal needed to start the vehicle. There are several methods to fix a dead car key fob. The first step is to determine if the key fob is dead. If it appears dead, you'll require replacing the batteries. You can do this yourself by disconnecting the fob from its clip, or by using a flat-head screwdriver. Do not use too much force or you could damage 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 might 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 details in the owner's manual or visit an Interstate All Battery Center to get a professional to assist you. If the key fob actually isn't dead, you can revive it by bringing it closer to your vehicle. Since most key fobs are RFID (radio-frequency identification) they only work at a limited distance and need to be within a certain distance for the ignition system to detect the signal. You can unlock your car, or even start it if you move few inches nearer. Many car manufacturers include backup mechanisms that can be triggered when the key fob battery is dead. Ford, for example, has a slot that is dedicated to the key fob. If it is properly inserted the key fob will activate the engine of the car. There are instructions in the owner's manual on how to locate the slot and insert the key fob in the correct way. If you are unable to get your car started using this method, you should 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. If this chip becomes damaged or there are programming errors, the key fob will not be able to send the correct identification code, and your car will not start. A faulty transponder can be caused by physical damage to the key shell or wear and wear and tear on the contact pads. There are a lot of warning indicators on your dashboard if keys are not communicating with the immobilizer system of your vehicle. These could include error messages, flashing lights or the key not locking or unlocking the vehicle. If you are noticing these warnings contact your local locksmith immediately for key fob replacement or repair. If you have a lot of keys, it's easy to break your key ring. This could cause the fob to crack in half. This is one of the main reasons for a broken car key. If this happens, you can try to use super glue to fix the issue by applying a small amount the glue to both sides of the break and then gently pressing them together. Use a gel-type of glue that dries slowly to prevent drips or runniness. If this method does not work and you are not sure, contact a professional locksmith immediately to prevent further damage to your vehicle. A locksmith who is certified can repair or replace your fob swiftly and ensure that the ignition and door locks are not damaged in the process. When your key fob is damaged it can be a hassle and a nuisance. But, it's not a reason to panic or be frustrated. You can take proactive steps to decrease the chance of your key fob breaking in the future. These include regular maintenance, key protectors, and having an extra. If key repair near me do have a problem with your key fob the team at Quicksmith is here to assist you! Broken Key Loop One of my MK5 keysfobs snapped off the tiny key ring at the top, where it attaches the keyfob. It's believed to be made of extremely soft metal or plastic. I've made a hole, then wet-sanded it to make it stronger. But I suspect that's not helping. I've also tried wrapping the broken part of the ring in clear tape, but it isn't doing any good. It's a shame because I use the little rings to hold my keys in place on the mini-split ring which holds the larger split rings for the other keyfobs. If the case for the key fob itself is broken it is usually possible to remove the case and replace the battery (assuming the battery isn't already dead). There are online kits available for this, however they typically only provide temporary fixes – it might be better to bring it to a professional who can swap out the battery and reprogram the key fob. Alternately, you may be able to locate an alternative case at a home improvement store or a locksmith. They are not likely to be as costly as a new key fob.