Help!!!! Raido Is Loc

I NEED HELP EVERYONE I TOOK MY 1992 OLDS 98 REGENCY ELITE TO GET THE OIL CHANGED IN IT TODAY AND SOME HOW THEY MANAGED TO GET THE SECURITY LOCK ON MY RAIDO AND I CAN NOT FIGURE OUT HOW TO GET IT OFF ALL THE DIAPLAYS SAYS IS LOC IF ANY ONE HAS ANY IDEAL WHATI CAN DO PLEASE EMAIL ME AT SEPT1974@FRONTIERNET.NET THANKS