Where is it?

Underdash fuse box. Look for a fuse layout diagram on the cover.

If there's no diagram, here's how to test all of the fuses, if you think one may have blown:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-3.html#post252145