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Why Nobody Cares About Remote Key Fob Repair
Remote Key Fob Repairs You Can Do at Home

If your remote key fob stops working, you may be tempted to go to an authorized dealer to get it changed. Try some quick fixes in your home.

Start by replacing the battery. Discover More Here carry flat watch-style batteries that are affordable and easy to locate. Take a closer look at the key fob and check for buttons that are worn out or out of the right place.

Dead Battery

The key fob is a tiny electronic device that allows you to lock or unlock your car. It uses a radio transmitter which transmits codes to a receiver inside your vehicle. The batteries in key fobs last for a lengthy period of time, but they can end up dying at any time. Check the LED light, or try pressing one of the buttons to determine if it's dead. If the key fob does not respond, the battery has died and must be replaced.

It is quick and easy to change the battery in your key fob. It's as easy as opening the key fob, taking out the battery that was in use and replacing it with a new one. Fobs use tiny batteries, similar to those found in hearing aids or watches, that are available at all kinds of stores and home improvement centers. They're typically shaped like tiny coins with plus and minus symbols on the bottom. If you're not sure of the kind of battery your key fob is using, check your owner's manual or check the key fob for the label.

After you change the battery, your key fob should function as usual. If it doesn't then there could be a issue with your vehicle or the system that is causing the fob to not function properly. If this is the situation, you'll have to contact roadside assistance to help with the issue.


You can purchase replacement key fobs through a dealer or online, based on the make and models of your car. It's typically cheaper and less expensive to purchase an entirely new key fob rather than to fix a damaged one.

Buttons Aren't Responding

If you've been driving around for a while and you notice that the buttons on your keys are not functioning it could be an issue with worn out sensor for the button. Rubberized buttons on most fobs can wear out with time. This can cause them to work correctly when they are pushed in a specific way or when pressure is high. This is a problem that occurs for many fobs and is easily fixed with some simple DIY steps.

The fob sends an unlocking signal to the car's receiver. If the receiver is damaged, it might not receive the signal and the key will not work to open or start your car. The best option is to have your local mechanic check out the receiver for damage. In most cases, this is cost-free or at a minimal cost according to the make of the car you own.

It's not a surprise that key fobs are commonly used and jostled in pockets and purses. They can be finicky and only function properly if pressed in a specific way. This is an easy fix for the majority of fobs, as the buttons can be reinforced and fixed very quickly with some silicone and a bit of effort.

Press and hold the lock/unlock buttons on your keyfob until you hear the car sound chime. You'll need to repeat this multiple times to get the button to activate. The next step is to switch your key into and out of the ignition of your car a few more times to reset the connection between the fob and the car. Once the connection is restored, you can take the ignition key and then unlock your car using the remote. Repeat the procedure as needed to ensure that your fob is functioning again. If you are not able to fix the fob using this procedure, it may be required to replace it. If you decide to replace the fob, be sure that it is programmed for your vehicle's model and make.

Keychain Loop Breaks

If the loop of plastic on the key fob breaks it won't be able to lock or unlock your vehicle. The keychain loop is easily replaced.

Key fobs can also malfunction because of water or moisture damage. Symptoms include a reduced range of operation, or no functionality at any time. The problem can be resolved by replacing the battery and drying the key fob, but in certain cases, professional repair or replacement may be required.

Over time the buttons on key fobs can wear out and become less responsive or ineffective. It may be necessary to replace the key fob's button or case however reprogramming is often able to solve this issue. Sometimes signals from nearby electronic devices could interfere with the connection between the key fob and the vehicle which can cause problems with locking or unlocking. It may be necessary to conduct a diagnostic check at the dealership in order to troubleshoot. This is usually the case with older electric keys that use infrared signals to operate and require an optical line of sight. The majority of modern microchip keys communicate with your car using challenge-response authorization over radio frequency.

Pairings that are corrupted or lost

Over time, key fob batteries lose their charge. If the battery has lost all of its power the remote will not respond to commands. This issue is usually fixed by replacing the battery, however, it could be necessary to reprogram the remote.

Modern cars come with key fobs that allow for many functions. They can adjust the height of windows, trigger alarms, turn on the interior lights, or even start some cars. It is not uncommon for owners of vehicles to use the wrong buttons. Keep the owner's guide close by when using your key fob to easily refer to the sections that address the features of your car.

Another reason that causes a fob's malfunctioning is that the remote's signal has become corrupted or gone missing. Some of the more modern key fobs have sophisticated encryption techniques to keep thieves from intercepting the signals and creating unauthorized key fobs or remotes that allow you to unlock your car. To re-program the fob, you'll need to visit an auto locksmith or dealer.

Some automakers offer their own instructions for reprogramming the key fob of their vehicles. These processes are typically simple enough to be done at home. However, this is usually not a good option for those who are not experienced with electronics experience. It is best to leave this kind of work to professionals.

Key fobs are subject to more wear and tear if they're frequently handled and used. The buttons on a fob may be tossed around and the case could crack or break. It is important to keep an extra key fob with at all times as this can save you time and trouble when your remote fails to work while you're out and out and about. Keep it near your bed at all times, so you can activate the panic button in the event that you hear noises during the night.

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