How To Enter Honda Radio Code With Navigation. You should have 8 digits in all. Otherwise, you'll have to visit a dealer.
You can obtain your radio and navigation codes from the following website: Punch the code in, using the buttons for station favorites. If you have that, a simple call to honda will get you the code.
Monday through friday 6am to 11pm (cdt), saturdays 6am to 8:30pm (cdt), and sundays 6am to 11pm (cdt).
Press button 5 to submit; Repeat the same with button 4; The first thing you need for honda radio code retrieval is the radio serial number. Thankfully, entering the code is the easy part.