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Car Remote Key Repair Modern car remotes are convenient and useful however, they can be a pain if they stop working. There are some quick solutions to get them working again. Replace the battery first. The majority of fobs are powered by lithium coin cells. They are affordable and easy to locate. Broken Electronics Your remote car key has an internal electronic circuit board that transmits and interprets signals to your car. The key fob will cease to function in the event that this board is damaged. Damage to the receiver or transmitter will require a professional auto-locksmith or your dealer in your car. The majority of remote key fobs are powered by a lithium-ion coin batteries, which have an extremely long shelf life. However they won't last for long. If you've been using the batteries for a long period of time, changing them will probably solve your problem. You may be surprised when you have been using your remote for a while and the buttons do not respond at all. This can happen even in the case of batteries that are new. car key fob repairs on your keyfob are subjected to a lot of jostling and may break or become unresponsive with time. If this happens taking them off and cleaning them prior to placing them back in place will usually resolve the issue. If your remote's buttons aren't working, you might need to reprogram it to work with the system in your car. This is usually done by turning the ignition key a few times while the doors are closed. This will depend on the model and make of your car, but you can locate the steps on the internet or ask a professional for assistance. If the key fob has an exterior made of plastic it is possible to remove the cover and pry it off. Be careful not to damage buttons or other internal components. This is best done using needle-nosed pliers that have longer tips. They are able to easily grasp small parts. Lubricating the pliers using super glue, melted tallow or putty can assist them to grasp delicate components. This is something that locksmiths in the automotive industry can do, as incorrect methods could damage the electronic components. Trying to forcefully pry the fob apart could cause damage to the plastic, and it's also possible to accidentally cut off any buttons that are connected to it. A defective transponder chip Transponder chips can fail if you've previously been able to start the car with the remote key, but you cannot do it again. This is because your key relies upon this tiny electronic component to communicate with the immobilizer system. It sends a signal to the system to notify it that your key is in good condition, and you'll be able start your vehicle. If the chip fails to transmit this signal the immobilizer will shut down your vehicle. This problem is more common in older cars, however it can also be found in newer vehicles. The transponder chip wears down over time. The chip can be replaced by a locksmith for cars however, it can be costly. In some cases, the chip in your key may be completely dead. If this is the scenario, the chip will require replacement by an auto dealer. This is the most expensive but necessary option to get your vehicle back on the road. Another possibility is that your key's chip has become corrupted. This means that it can no longer communicate with the immobilizer. This can happen if the battery is changed or if the key is physically damaged. A Mesa locksmith in your car can solve this issue, but it may be necessary to visit the dealer in order to have your key reprogrammed. If you are having problems with your remote key you should first try a backup. If this doesn't resolve the issue, disassemble the key fob to conduct a visual inspection. You should make sure that there are no buttons that appear to be damaged or loose. These components are frequently used and can loosen as time passes. If they are loose it is recommended to have them re-soldered by an experienced professional. In many cases, this will restore your key fob's functionality. This is especially true for keys that were accidentally put into the wrong ignition lock cylinder. Damaged Battery If you've tried a fresh battery but the key fob still won't function, there could be other issues. Fobs can be damaged by water, dropping them, or stepping on them, and internal connections, like those that connect the battery terminals within the remote, may also be damaged or disconnected. You may have to reprogram your key fob if don't have a replacement similar type and model. Modern key fobs should be programmed to work with your vehicle and ensure that only you have the ability to unlock the car's doors. This is an essential step to safeguard your vehicle and to prevent other people from using your key fob to gain access to your car or cause electrical system problems. Some engine error codes, or even normal wear and tear could cause a problem with the programming of your key fob. It is essential to have your key fob reset properly by a professional with the right equipment. It's also possible that the problem is with the buttons and this could be a simpler fix than replacing the entire key fob. Key fobs typically have rubberized buttons that are jostled around constantly and may break or loosen. If you're able to determine that the buttons aren't damaged you can try adjusting them manually. It is best to open the key fob and take a look at it, but be careful. remote key repair do not have a simple release mechanism. You might require a screwdriver or small tool to remove them. Some fobs are sealed, and cannot be opened without specialized tools. You'll have to bring them to a dealer to get them professionally opened. You can utilize a spare keyfob of the same model and brand to enter the programming mode of your car. Depending on your car, this may involve closing and locking the doors, switching the lights and electronics on and off and pressing a certain set of buttons in a certain sequence. Failing Buttons Mechanical damage could be the cause when the buttons on your key fob aren't working or require pressing them extremely hard. The functionality of the key fob could be affected by a fall on concrete or accidentally hitting the button with a sharp object. If this is the case you'll have to remove the key fob and examine it carefully to see whether any buttons appear to be damaged or are out of their place. A locksmith can repair it for you, if that's the case. Failing buttons can be caused by dirt or debris that has accumulated between the buttons. You should clean your key fob using the help of a cotton swab which has been submerged in alcohol. It is also possible to clean the surfaces of the keys. You should also try to determine if the issue is with your car's locks or with the key fob itself. If you don't have a spare key fob to test, you might consider using the keys in a different vehicle to see if they function similarly. The condition of the battery will also determine whether or not you need to reprogram the key fob. If your key fob fails 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 often when you are out of range, or disconnecting your car battery could also cause the deprogramming of the electronic key fob. If the key fob is still not working after replacing the battery, be able to reprogramme it with the car. It will depend on your particular car model, but you'll generally require locking and unlocking the doors manually. Insert the key into the ignition, turn it to accessory, then press a button on the wireless remote. Usually the exterior and interior lights will flash if this is successful. It is possible to test the key fob to confirm that it was successfully programmed. In rare instances keys can stop working if there is an issue with the door lock itself.