i was trying to replace the stock stereo so i had to disconnect my battery... long story short, that failed....and now i'm stuck with my stereo what won't accept the 5 digit code that should unlock it....when i type it in, it gives a long beep and the "anti-thief" light keeps blinking. Then if i push any buttons it will start beeping at me....also if i type in the wrong code, if will give me 2 more chances, but when i type in the "correct" one, i only get 1 chance.... am i missing somthing that i should be doing to unlock it?