My Honda Civic EX car battery died. After I replaced the battery the car radio does

[warfighterusa]

not work needs a code? The radio was already programed when I brought the car so I have no clue about any code. What do i do to reset the radio?

 

[unapez2000]

Some car stereos require a security code when power is lost, because they have an anti-theft feature. Many dealers write the code in the owners manual or glove-box door, check there. The manual should also tell you the method of entry.