Remote https//tempastecom/grPXI1dYvzr Can Do at Home You might be enticed, in the event that your remote key fob isn't working, to take it to a dealership to get it reset Instead, try a few quick fixes at home Start with a replacement battery Flat watch-style batteries are inexpensive and easily found at hardware stores Examine the key fob for worn buttons or ones that are out of place Dead Battery The key fob is an electronic device that makes it simple to lock or unlock your car It uses an radio transmitter with a short range to send unique codes to the receiver within your vehicle Key fob batteries typically last for a long time, but they could die at any time You can usually determine if the battery has been drained by looking at the LED's light or trying to press one of the buttons If the key fob does not respond to press, then the battery is dead and requires to be replaced It is quick and easy to replace the battery on your key fob It's typically an issue of opening the fob, pulling out the old battery, then inserting a new one Fobs are powered by small batteries, like the ones found in hearing aids and watches and are available at all kinds of stores and home improvement stores They're typically shaped like a small coin, and feature plus and minus symbols on the bottom Refer to the owner's guide or the label on the fob that you have on your key if you aren't sure which batteries your key fob is using After changing the battery your key fob will work as normal If it doesn't work it could be because of another issue with your car or the system that's causing it to not function properly If this is the case, you will need assistance at the roadside You can purchase replacement key fobs from a retailer or online, based on the model and make of your vehicle The purchase of a new key fob is usually the best alternative, since it will save you time and money as opposed to fixing the broken one on your own Buttons Are Unresponsive It could be worn out button sensor if you've driven for a long period of time and notice that your keys don't work The buttons made of rubber on a majority of fobs can wear out with time This can cause them to work properly when pushed in a certain way or under extreme pressure This is a common problem for many fobs, and can be easily solved with a few simple DIY steps The fob sends an unlocking signal to the car's receiver If the receiver is damaged it may stop receiving the signal, and the key will not operate to unlock or start your car This can be fixed by having a mechanic examine the receiver to determine if there is damage This service is typically free or costs only little, depending on the car's model The key fobs that are used daily get a lot of use and are often found in pockets and purses which is why it's no surprise that they occasionally be finicky and only work properly when press in a certain manner It is easy to fix most fobs, because the buttons are strengthened with silicone and a little bit of effort Press and hold the lock and unlock buttons on your keyfob until you hear the vehicle sound chime This will need to be repeated several times in order to activate the button The next step is to switch your key into and out of the car's ignition several times more in order to reset the connection between the fob and the car Once the connection is restored, you can take the key from the ignition and then open your car with the remote Repeat the procedure until your fob is functioning again If you cannot repair the fob by this procedure, it may be required to replace it If you have to replace it, be sure that the new key is programmed to work with your car make and model Keychain Loop Breaks If the loop of plastic on the key fob gets damaged it won't function to lock or unlock your vehicle Replacing the keychain loop is an easy solution Water damage and moisture can also cause key fobs to fail, with symptomatic problems including a diminished range of operation or no function at all The issue can be solved by replacing the battery and drying the key fob, however in certain cases, professional repair or replacement may be required Key fob buttons can become worn out over time, resulting in reduced functionality or unresponsiveness It could be necessary to replace the key fob button or the case however, reprogramming may solve this issue Sometimes signals from nearby electronic devices could affect the connection between the key fob and your car, leading to problems with locking or unlocking This might require a diagnostic test by the dealership in order to determine the cause and fix This is often the case with older electronic key fobs that use infrared signals and require a clear line-of-sight to work however modern microchip key fobs rely on radio frequency challenge-response authentication to connect with your vehicle Pairings that are lost or corrupted Over time the batteries of key fobs lose their charge, and if the battery has lost too much of its power the remote won't respond to commands The replacement of the battery is usually enough to fix this problem, but you may also need to change the programming of the remote Modern cars come with key fobs that allow for a variety of functions They can adjust the height of windows, trigger alarms, switch on interior lights, or even start certain cars It is not uncommon for car owners to make a mistake and hit the wrong buttons Keep the owner's manual close to hand when using your keyfob so you can easily reference the sections that address your car's features Another reason that causes a fob's malfunctioning is that the remote's signal has been corrupted or lost Some of the latest key fobs employ sophisticated signal encryption technology to stop thieves from stealing signals and creating unauthorized keys or remotes that allow you to unlock your car You'll probably have to visit an auto locksmith or dealer in order to re-program the fob and restore its function Certain automakers offer their own instructions for do-it-yourself key fob reprogramming These procedures are usually simple enough to perform at home This procedure is not recommended for beginners who do not have a lot of experience with electronics This type of work is best left to professionals Key fobs are subject to more wear and tear if they're used and handled frequently The buttons on a fob could be pushed and the case may crack or break It is important to have an extra key fob with you at all times, as this can save you time and trouble if your remote stops working when you are out and about Keep it near your bed at all times, so you can use the panic button in case you hear noises at night