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Car Remote Key Repair Modern car remote keys are very useful and convenient, however they can be a hassle when they stop working. Fortunately, there are quick fixes that can usually get them back in operation. Replace the battery first. The majority of fobs are powered by lithium coin cells. They are inexpensive and easy to locate. Broken Electronics The electronic circuit board in your car key remote transmits and interprets signals for your car. The key fob will stop working if this board is damaged. Damage to the transmitter or receiver will require an auto-locksmith who is a professional or a dealer in your car. The majority of remote key fobs utilize lithium ion coin batteries which have a decent lifespan, but they won't last for a long time. If you've been using batteries for a long time replacing them is likely to solve the issue. You might be shocked if you've used your remote for a long time and the buttons do not respond at all. This is the case even in the case of batteries that are new. The buttons on your keyfob are subjected to a lot of jostling and can break or become unresponsive over time. If this happens taking them off and cleaning them before replacing them can often solve your problem. If the buttons on your remote don't work, you may need to reprogram it to work with the system in your vehicle. This is typically done by turning the ignition key several times with the doors closed. The procedure will differ based on your car's model and make however, you can find instructions online or consult an expert for assistance. If the key fob is made of plastic you can remove the cover by tearing it apart. Be careful not to damage any buttons or internal components. The best tool to use to accomplish this is needle-nose pliers with longer tips, which can more easily grasp small pieces. Lubricating pliers with putty melted tallow or super glue will help them grasp delicate components. This is something an automotive locksmith can use, since improper methods could cause damage to the electronic components. The plastic can be broken if you try to remove the fob with force. It is also possible that the buttons attached to it will break off accidentally if you forcefully pull it apart. Faulty transponder chip Transponder chips may malfunction if you've previously had the ability to start your car with the remote key, but cannot do it again. This is because your key relies upon this tiny electronic component to communicate with the immobilizer system. It signals the system that your key is legitimate and you are in a position to start the engine. If the chip fails to correctly transmit this message, the immobilizer will disable your vehicle. This problem is more common in older cars, however it is also a problem in more modern vehicles. This is because the transponder chip can wear out over time. This component can be replaced by a locksmith for cars, but it is expensive. In some cases the chip in your key may be completely dead. If this is the case, it will require replacement by a dealer. This will be the most expensive option, but is often required to get your vehicle back on the road. Another possibility is that the key's chip has become corrupted. This means it can no longer communicate with the immobilizer. This could happen when the battery is replaced or if the key is physically damaged. A Mesa auto locksmith can solve this problem, but you may need to go to the dealer to get your key programmed. If you're having issues with your remote key you must first try a backup. If this doesn't fix the issue, disassemble your key fob and do a visual inspection. It is important to ensure that none of the buttons appear to be damaged or loose. These components are frequently used and can loosen over time. If they're loose, it's a good idea to have them soldered back in place by an expert. In many instances, this will restore your key fob's functionality. This is especially the case for keys that are accidentally placed in the wrong ignition lock. Damaged Battery If you've tried a fresh battery, but the key fob is still unable to work, there may be other issues. Fobs may be damaged by dropping them or stepping on them, and internal connections, like the ones that connect the battery terminals within the remote, could be broken or disconnected. You may have to reprogram your key fob if do not have a spare of the same model and type. Modern key fobs should be programmed to match the vehicle to ensure that only you are able to unlock the car's doors. It's a must to safeguard your vehicle and prevent others from being able to use your key fob to gain access to your vehicle or cause problems with the electrical system. Some engine error codes or even normal wear and tear, can cause problems with the programming of your key fob. Professionals with the right equipment can reprogram your key fob properly. It's possible that the issue is with the buttons themselves, which can be a simpler solution than replacing the entire key fob. More Signup bonuses rubberized buttons that are jostled around all the time and may break or loosen. If you are able to see that the buttons aren't damaged you might try manually adjusting them. It is recommended to open the key fob and take a look at it, but be cautious. car keys repairs do not have an easy release mechanism. You may need an instrument or screwdriver to remove them. Some are sealed and can't be opened at all without the use of specialized tools. You'll likely have to take it to a dealership to have it opened professionally. If you have an extra key fob for the same model and brand you want to use it, try using it to access your car's programming mode. Depending on your car, this may involve closing and locking the doors, switching the lights and other electronics off and on and pressing a certain set of buttons in a particular order. Failing Buttons Mechanical damage may be the reason if your key fob's buttons aren't working or require you to press them forcefully. The key fob's functionality can be affected by dropping it on concrete or accidentally hitting an item with a sharp item. If this happens you'll need to disassemble the key fob and examine it carefully to see whether any buttons appear to be damaged or out of place. If this is the situation, a locksmith will fix it for you. Failure of buttons could also be due to dirt or debris that has accumulated between the buttons. It is crucial to clean your keys regularly with the help of a cotton swab that has been soaked in alcohol. You may have to scrub the surface on the keys. You should also determine if the issue lies with your car locks or the key fob. If you don't have a spare key fob to test, think about using the keys on a different vehicle to see if they work also. Whether or not the key fob requires to be reprogrammed depends on the condition of the battery. If your key fob is not able to operate after you replace the batteries, it likely indicates that the battery's terminal contacts are damaged. Pressing the buttons on your key fob too many times while out of range or disconnecting your car battery could also cause the deprogramming of the electronic key fob. If the key fob isn't working after replacing the battery, you need to re-programme it to your car. It will depend on your particular car model, but you'll typically have to lock and unlock the doors manually, insert the key into the ignition, change it to accessory, then press a button on the remote that is wireless. If this works then the interior and exterior lights should light up. It is possible to test the key fob to confirm that it has been successfully programmed. In rare cases the key fob could not function due to a problem with the door locks.