https://notes.io/w9ksa Car Remote Key Fob Replacement A car remote key fob is like a standard metal key, but it is larger in head with buttons that lock or start the engine. Some have special features such as summon (like Tesla's) or self-parking. The majority of car owners will need to replace their fobs for keys at some point. The cost of a key fob can vary greatly depending on the model. Some are easily replaced at home by simple swap of batteries. Some require the reprogramming of a dealer. Dead Battery A car key fob remote needs power to work and that power comes from batteries. If your key fob isn't functioning it's possible that you have a dead battery and replacing it is a cost-effective fix that you can do at home. The majority of electronic fobs have buttons which, when pressed trigger a chip and antenna to emit a frequency which locks or unlocks your car's doors. Even though the components are encased in a plastic case but they aren't able to function without batteries. Examine the locks on the fob If you've already eliminated a dead cell. The fob might be able to lock and unlock the door, but the lock itself will not engage. This is usually the case when the actuators for the lock are damaged by physical injury or water damage. This problem can be discovered by disassembling the fob and examining the actuators. Batteries for replacement can be found in auto parts stores, big-box stores, and online. The majority of fobs utilize coin-type batteries, and typically cost $10 or less to replace. Be aware that car key batteries have two sides. Make sure you insert your new battery in the correct direction. You'll also have to be aware of how to open the fob and it requires a slim edge such as a screwdriver or fingernail to break it at the edge. It's best to place the fob flat on a table or a different surface while you pull it apart to ensure that you don't damage the circuit board or the internal connections. After the fob is opened, you'll be able to locate a