https://zenwriting.net/deskyam3/searching-for-inspiration-try-looking-up-repair-car-key Car Key Button Repair A broken car key button is frustrating. You may need to contact an emergency locksmith service or purchase a replacement remote. However, you may be in a position to save money by fixing an old key fob rather than replacing it. This is especially true when the issue is due to a worn switch or faulty contact. Battery If your key fob's buttons aren't responding when you pressing them, it could be a sign that the battery has failed or is about to reach the end of life. It's easy to replace the battery yourself instead of hiring an auto locksmith or dealership. First find the battery compartment. The battery compartment is usually located on the back of the key fob and can be concealed behind a cover that slides out or a button that opens the access point. Once the compartment has been opened then look for the small button-cell battery. This is typically shaped like coins and identified with an minus and plus sign. Remove the battery that is old and replace it with a brand new one. Check that the plus and the minus symbols are properly aligned. Close the compartment and snap together the two halves of your key fob. Make sure to align the pieces and snap them into place properly before closing the door and testing your keys. Press any of the buttons to confirm that they function correctly. If your remote key fob ceases working even after you replace the battery, it may be suffering from other issues that require a different kind of repair. The fob's dropping into a puddle can cause it to cease functioning. Alternatively, it might be experiencing an electrical issue within the device or may need to be deprogrammed by a locksmith or locksmith. Check out these other common auto troubleshooting techniques to determine if your key fob is experiencing a different issue. Switches There are many kinds of switches found in the car key fob according to the year and model.