https://lovewiki.faith/wiki/Why_Nobody_Cares_About_Key_Fob_Repairs How to Fix a Key Fob That isn't Working If your key fob doesn't work, a few easy steps can fix it. First, make sure that it's not the backup remote. If your backup remote cannot unlock and lock the doors of your car, it is likely that the main remote is not working. The most frequent causes of key problems with your car remote are circuitry or battery issues. Battery It is not unusual for the battery in the key fob for cars to wear out. It is simple to replace a battery. However, it is important to select the right kind. You can refer to your owner's guide or contact the manufacturer to inquire about the correct type. It is also important to inspect the battery compartment, since batteries that are not working properly can release caustic chemicals which can damage the remote. If changing the batteries does not solve the problem it could be because there are other issues that require attention from a professional. For instance, if the buttons seem to be stuck or broken It may be necessary to take the remote apart and rework its components. You could also try reprogramming your car to recognize the new key fob. Buttons Due to frequent use, key fobs may become worn and dirty. This is not unusual however it can cause buttons to stop working or require a difficult press to get them to work. This can be frustrating especially when you're away from your home and need to start your car. Even malfunctioning or worn-out buttons are often fixable with a little time and tools you already have at home. First, ensure that the batteries are charged correctly and that the indentation on the back of the button is filled. Then, carefully open up the remote and look at the circuit board. Examine for signs of rust or other indications that buttons are worn out or damaged, such as missing conductive paint. Use a Q-tip that has been dipped in rubbing alcohol to gently clean any membrane contact that has become worn out o