https://www.thekeylab.co.uk/carkeyrepair/ Car Key Fob Repair There are a few things to verify first if your car key fob doesn't work. The most common issue is the battery. If your battery is failing, replace it immediately. It is also possible to check for a defective transponder , or release key. Alternately, you can alter the clicker. Replace the battery If you're having difficulty getting your car started or your key fob isn't able to work, it may be time to replace the battery. The replacement of the battery on your key fob can be an easy, quick process that you can complete yourself. Key fob batteries generally last two to five years. If you are looking to replace your car key fob battery you can purchase one online, at an upscale store or even at a dealership. Unplugging the key fob is the first step to replacing it. This is essential to avoid the wires from shorting. A small screwdriver with a flat head is typically enough to reach the battery panel. It is important to make use of the screwdriver on all four sides of the panel in order to help you get it off the cover. When you take off the metal plate, you will be able to access the blade that is key. Simply pull down on the panel to access it. A key fob is a handheld device that is used to unlock and lock your car. Modern vehicles have keys fobs. These devices send an electronic signal that connects to the car's locking system. Some key fob models require two batteries in order to function. In this instance you must replace the old one with the new one. Once you've replaced the battery, you should be able to utilize your key fob. Key fob batteries are readily available at many auto supply stores like Batteries Plus. However, you can also purchase them on Amazon. Some dealers will replace your key fob batteries for no cost. You will need a small flat-head screwdriver to replace the battery. The screws for your key fob are tiny. Keep the screwdriver safe location to avoid it getting caught. After you have rem