If you have a Newer fob, even though, you'll probably have a non-rechargeable CR 2450 battery, that may need changing periodically. It's a simple Do it yourself career that only involves popping off your fob's rear panel and switching out the coin mobile battery. Your browser isn’t supported anymore. Update https://kylerzkruy.diowebhost.com/81850322/the-ultimate-guide-to-lost-honda-key-fob