I had the same problem with my 2012 honda civic volume control on the steering wheel didnt work lights on the radio were out. I replaced the battery and the volume control on the steering wheel and radio lights mysteriously worked again.
First Drive 2012 Honda Civic
2012 honda civic radio lights not working. 2012 engine compartment fuse box located near the brake fluid reservoir. This seems to be a very common issue with the honda accordbad internal resistor has to be changed see 2nd link. You have to take your vehicle to the dealership and get your radio replaced. Honda quoted me 32000 to fix. Hithe radio back lights are on same circuit as radio which means that it wont be anything simple like a bad fuse. Talks of repair scroll down about to 9th of page.
My car has 75000 miles. Number circuits protected ampere rating a 1 eps 70 absvsa motor 30 absvsa fsr 30 main fuse 100 2 ig main 50 fuse box main 60 fuse box main 2. Here is a much cheaper way to fix. You will need to call your local honda dealership to have them inspect it and in all likelyhood have to replace the audio unit. The vehicle assumes its being stolen and renders radio completely useless unless. Light bulbs are okay.
You will need this when you change your battery if done anywhere other than a honda deler. Honda civic 2012 fuse box diagram year of production. I only succeeded at locking everything up since all honda electrical wiring runs through the radio lesson learned from 1997 honda civic. What could maybe be wrong. 2003 2007 honda accord. Try removing the battery for 5 15 minutes let it reset the car.
This will be an internal circuitry failure of the radio which being that this is a 2012 model is still under the new car warranty. Caution though i am not responsible for any further damage you may cause to your vehicle or radio. Make sure you get your new code from the dealership. At centaur1 rick radio light does not work link below may help get your radio light working. My car has an automatic transmission. Fuses are okay.
Until my battery died. This is a known problem for 2004 honda accord year. Third link also shows in detail the. My 2012 honda civic now has no rear taillights working however the brake lights are working. They replace the pcb board.