Can anyone tell me how to unlock my cars radio?

the car is a ford explorer i changed battery then put a code in the radio but it did not work it is now locked please helpCan anyone tell me how to unlock my cars radio?the code should been in your car manual. if not see ur ford dealer and they will give you the code they need your car vin number.Can anyone tell me how to unlock my cars radio?lol sorry dont know that oneCan anyone tell me how to unlock my cars radio?contact your local ford dealershipCan anyone tell me how to unlock my cars radio?I have to agree with laurelie, when the battery went dead in my mitsubishi eclipse, the radio didn't work and i had lost the code, I had to take it Mitsubishi and they had to take the radio out and find a number on the radio that they could cross reference in the computer. I think it cost me 45.00. I have the code now, I know where it is and I'm not going through that again.