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Car Remote Key Repair Modern car remote keys are useful and convenient, however they can be a hassle when they stop working. There are some quick fixes to make them work again. The first step is to replace the battery. The majority of fobs are powered with lithium coin cells. They are inexpensive and easily accessible. Broken Electronics The electronic circuit board in your remote car key transmits and interprets signals for your vehicle. If the circuit board is damaged, the key fob won't function properly. Damage to the receiver or transmitter will require an auto-locksmith professional or your car dealer. Most remote key fobs use lithium ion coin batteries which have a reasonably long shelf life but will not last for long. Changing the batteries will likely solve the issue, particularly if you've had them for a while. If you've been using your remote fob for a long period of time and you're surprised to discover that the buttons aren't working at all, even when the batteries are fresh. The buttons on your keyfob are exposed to a lot jostling and may break or become inactive with time. In this instance, removing and cleaning the buttons is usually enough to fix the problem. If your remote's buttons still don't work, you may need to reprogram it to match the system in your vehicle. This is typically accomplished by turning the key in the ignition repeatedly while keeping the doors closed. The method will vary based on your car's make and model, but you will be able to locate instructions online or consult a professional for help. If the key fob has a plastic exterior it is possible to take off the cover and pull it off. However, be careful not to damage the buttons or other internal components. The best tool for this is a pair of needle-nose pliers with longer tips that can better grasp small components. Lubricating pliers using putty, melted tallow or super glue can aid in grabbing delicate components. It's recommended to hire an automotive locksmith take care of this, since improper techniques can damage the electronic components within. The attempt to forcefully pull the fob apart could break the plastic, and it's possible to accidentally cut off any buttons connected to it. Chips in the transponder are defective. Transponder chips could malfunction if you have previously successfully started the car using the remote key, but are unable to do so again. This is because the key relies on a small electronic component in order to communicate with the immobilizer system. It sends a signal to the system that your key is valid and you should be able to start the engine. If the chip is unable to properly transmit this message, the immobilizer disables your vehicle. This issue is more prevalent in older cars, however it can also be found in modern vehicles. This is due to the transponder chip wears out over time. It is possible to have a car locksmith replace this portion of your key, but this can be expensive. In some instances the chip in your key may be completely dead. If this is the case, it will need to be replaced by an auto dealer. This is the most costly but necessary option to get your vehicle back on the road. Another possibility is that the chip in the key has become damaged and it is unable to longer works properly with the immobilizer system. This can occur when the battery is replaced, or it can occur if there is physical damage to the key. A Mesa car locksmith can sometimes solve this issue, but it might be necessary to visit a dealership in order to have your key programmed again. If you are having problems with your remote key, you should first try a backup. If this doesn't solve the problem, you should take apart your key fob and do an inspection. Make sure that no button appears to be loose or broken. repair car keys are often used and may become loose over time. It's best to have them welded to the correct position by a professional if they are loose. This can often make your key fob. This is particularly applicable to keys that have been accidentally inserted into the wrong ignition lock cylinder. Damaged Battery If you've tried a brand new battery, but the key fob is still unable to work, there may be other issues. Fobs can be damaged by water, dropping them or stepping over them, and internal connections, like those that connect the battery terminals within the remote, could be broken or disconnected. It's possible to reset the key fob and it could be something you can accomplish on your own if you have a spare fob of the same model and brand. Modern key fobs need to be programmed to match the vehicle and ensure that only you are able to unlock the car doors. This is a crucial step to secure your vehicle and prevent other people from using your key fob to gain access to your car or cause electrical system issues. Certain engine error codes, or even normal wear and tear can cause problems with the programming of your key fob. It is crucial to have your key fob reprogrammed correctly by a professional with the right equipment. It's possible that the issue is with the buttons that are a much more straightforward fix than replacing the entire key fob. Key fobs typically have rubberized buttons that are tossed around constantly and can break or become loose. If you are able to see that the buttons aren't damaged, you can try adjusting them manually. Open the fob key to look at it, but be cautious. Certain fobs do not have an easy release mechanism, so you may need a screwdriver or another device to open them. Some fobs are sealed and cannot be opened without specialized tools. You'll have to bring them to a dealer to have them professionally opened. If you have a spare key fob of the same model and brand you want to use it, try using it to access the mode of programming for your car. Based on the model of your car it could involve closing and locking the doors, turning lights and electronic devices on and off and pressing a certain set of buttons in a specific sequence. Failing remote key fob repair near me may be the reason if the buttons on your key fob aren't working or require you to press them in a very forceful manner. The key fob's function could be damaged by dropping it onto concrete or accidentally hitting the button with a sharp object. If this is the case you'll need to take the key fob apart and inspect it thoroughly to see whether any of the buttons appear be damaged or are out of place. A locksmith will fix it for you, if that's the case. Dirt and crud can cause buttons to fail. You should clean your key fob using a cotton swab that has been submerged in alcohol. It is also possible to clean the surface of the keys themselves. You should also try to determine if the problem is with your car's locks or the key fob itself. If you don't have an extra key fob to test, you might consider trying the keys on another 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 keyfob does not function after replacing the batteries, the terminal contacts of the battery are likely damaged. You can also deprogram your electric key fob by pressing the buttons too many times when you're out of range, or by disconnecting your car's battery. If the key fob still not functioning after replacing the battery, you should have it reprogrammed by the car. It will depend on the specific car model, but you'll generally have to lock and unlock the doors manually. Simply insert the key into the ignition, turn it to accessory, and press the remote that is wireless. If this is working, the exterior and/or interior lights should light up. Then, you can test your key fob to ensure that it has been successfully programmed to the vehicle. In rare instances the key fob could stop working due to an issue with the door locks.