changed the battery so need radio code but dont have it and i attempted what i thought it might be, it beeped after each attempt and now if i try and put in a code it doesnt beep at all...problem is my display unit doesnt work so i dont know if its telling me the radio is now blocked or if it was telling me that i only had 3 attempts? could this be the case? how can i can i get it unblocked and who can do it for me?!
please help if u can. thank u.