On a 2003 Malibu LS, if you remove the stereo system and place (below)+ on 2003 Chevrolet Malibu

it in another 2003 Malibu, the faceplate of the stereo says "Locked" how can you remove the Lock on the stereo? Give all possible answers.

Asked by for the 2003 Chevrolet Malibu
Take it to the dealer, and they can get a code out of it and call GM for an unlock code.