Honda Civic Key Fob Battery Replacement - SmartKey remote 

In this video I discuss how to replace the battery in the SmartKey Fob remote on a 2014 Honda Civic.
This battery may last 6-8 years, but you will receive a warning message on the information screen when it is starting to fade. You can simply buy as set of replacement batteries and change them yourself in a few minutes.
This procedure should work on 2013, 2014, 2015, 2016 Honda Civics with the SmartKey fob.
The replacement battery for this type of keyless remote is CR2032
You can usually find them at the drugstore or Walmart.