Hello I own a 1998 corvette with a Ac delco cd player...recently i went to start it for the spring ..just to discover the battery was dead..after jump starting the vehicle..the display on the stereo face read..LOC....i called G.M. and got a 6 digit code to install .my problem is i dont know how to install the code..if anyone could be of help ..it would be GREATLY appreciated...Thanks ..Kevin..
there is a procedure to unlock this radio and it is not free, but I will pass along the info i found for you.
If you cannot get anywhere try going to this web site: http://www.corvetteradios.com/corvetteradios_009.htm
Good Luck and let us know how you made out with this.