Remote Key Fob Repairs You Can Do at Home
If your remote key fob stops functioning, you might be tempted to visit an establishment to have it changed. Instead, try some quick fixes at home.
Start by replacing the battery. Hardware stores carry flat watch-style batteries that are cheap and easy to find. Take a closer look at the key fob and check for buttons that are worn out or out of place.
Dead Battery
The key fob is a tiny electronic device that allows you to lock or unlock your car. It works by using an electronic radio transmitter that sends codes to a receiver in your vehicle. The batteries in key fobs last for a lengthy period of time, but can die at any moment. You can determine if the battery has died by checking the LED light or attempting to press one of the buttons. If the key fob does not respond, then the battery is dead and needs to be replaced.
It's simple and quick to change the battery in your key fob. It's typically an issue of opening the fob and pulling out the old battery, then putting in the new one. Fob batteries are small, like those used in watches or hearing aids. They can be found in home improvement stores as well as general stores. They're usually 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 the owner's manual or look at the key fob for the label.
repair car key have been using for your key should function normally. If it does not then there could be a problem with your car or its system that's causing the fob to not perform as it should. If this is the situation, you'll need to get roadside assistance to resolve the issue.
Based on the make and model of your vehicle, you might be able to purchase replacement key fobs online or from a dealer. The purchase of a new key fob is the most efficient option, since it will save you time and money as opposed to having to fix a broken one on your own.
Buttons Aren't Responding
If you have been driving your car for a while, and you notice that the keys' buttons aren't working it could be due to an issue with worn sensor for the button. Most fobs have rubberized buttons which wear out over time, which can cause them to not function properly if they are pushed in a certain way or with extreme force. This is a common issue for a lot of fobs and can be easily fixable with a few DIY steps.
The fob transmits an unlocking signal to the receiver inside the car. If the receiver is damaged, it can stop receiving the signal and will prevent the key from working to open or start the vehicle. This can be fixed by having a mechanic examine the receiver to check for damage. This service is typically free or costs only an amount that is based on the car's model.
Key fobs that are frequently used get a lot of use and are often tossed around in pockets and purses, so it is no surprise that they sometimes become finicky and only work properly when pressed a certain way. This is a simple fix for most fobs as the buttons can be strengthened and repaired quickly using silicone and a bit of effort.
Press and hold the lock or unlock buttons on your keyfob until hear the vehicle sound chime. This must be repeated several times in order to activate the button. Next, cycle your key in and out of the ignition a couple of times to reset your fob's connection to the vehicle. Once the connection is restored, you can remove the ignition key and then open your car with the remote. Repeat the procedure until your fob is functioning again. If you are unable to fix the fob with this procedure, it may be required to replace it. If you decide to replace it, be sure that the new key is programmed to work with your vehicle make and model.
Keychain Loop Breaks
If the loop made of plastic on the key fob breaks it won't function to lock or unlock your vehicle. The replacement of the keychain loop is a simple solution.
Key fobs may also fail due to moisture and water damage. The signs include a decreased range of operation, or no functionality at all. Drying the key fob and replacing the battery may solve the issue however sometimes a an expert repair or replacement is necessary.
Over time the buttons on key fobs can wear out and become less responsive or ineffective. This could necessitate a new key fob case or button replacement, but most of the time, the issue can be resolved by reprogramming. Signal interference from nearby electronic devices can sometimes interfere with the connection between your key fob and vehicle which can cause issues with locking or unlocking. This may require a diagnostic test at the auto dealership to identify and resolve. This is typically the case for older electric keys that rely on infrared signals for operation and require a line-of-sight. The majority of modern microchip keys communicate with your car using the challenge-response method of authorization via radio frequency.
Lost or Corrupted Pairing
Over time keysfob batteries deplete power. If the battery has lost a lot of its charge, the remote might no longer respond to commands. This issue is usually fixed by replacing the battery, however, it could be necessary to reprogram the remote.
Modern cars have key fobs that control various functions. They can lower or raise windows, turn off alarms, turn on the interior lights, and even start some cars. This means it is possible for owners to press the wrong buttons by accident. It is recommended to keep your owner's manual nearby while using your key fob to be able to refer to the specific sections that deal with the various functions of your car.
Another common reason for a fob's malfunctioning is that the remote's signal has been damaged or gone missing. Certain of the latest key fobs utilize sophisticated encryption technology to keep thieves from intercepting the signals and generating remotes or keys that aren't authorized which can unlock your vehicle. You'll probably have to visit an auto locksmith or dealer to re-program your fob and restore its function.
Some automakers offer their own instructions for key fob reprogramming. In most cases, these processes are easy enough to do at home. However, this is generally not a good choice for beginners without extensive electronic experience. It is better to leave this sort of work to experts.

Key fobs can suffer wear and tear when they're used and handled regularly. The buttons on a fob could be pushed and the case may break or crack. It is essential to keep a spare key fob with at all times as this can save you time and trouble in the event that your remote ceases to function when you are out and out and about. It is recommended to keep it near your bed in the evening because it will permit you to hit the panic button in case you hear noises in the house at night.