Honda CRV Radio Code

Changed The Battery. Now The Radio Reads Code When I Try To Turn It On. Is There A Factory Code That I Can Enter To Reset The Radio.

2004 Honda Crv 80000 Miles Hello. I Would Like To Know Please How To Get The Code For A Sound System Of A 2004 Crv... S/n# U1550...

My Battery Needed Recharged And When That Happened My Radio Stopped Working. I Need To Know How To Make The Radio Work Again. It Is Asking...