Does any one have factory car stereo radio unlock code

Does any one have factory car stereo radio unlock code for Pontiac Grand AM and Grand Prix.

I tryed to search on the NET but could not find any. This is for my buddy. He got a radio and it says LOCKED so if any one has the factory car stereo radio unlock code can they please post it. Thanks.

This was posted previously on another post. I myself have never tried it but hope it helps.

I found how to fix it thanks for the help here it is anybody else needs it.
Procedure:
01. Turn the ignition ON (The radio displays LOC)

02. Hold down the Radio Presets 2 and 3 buttons for six seconds

03. The radio display changes from LOC to a three-digit number. Write this number down. Don’t take forever, fifteen seconds max before the next step.

04. Press the AM/FM button

05. The radio display changes to another three-digit number. Write this number to the right of the first one.

06. You now have a six-digit number, the first three digits are from STEP 03 and the last three digits are from STEP 05

07. Call 1 800 537 5140

08. Press 1 then #. You’ll hear Invalid Code, try again

09. Press 139010 then #. You will be asked to enter your four or six digit code followed by *

10. Enter the number from STEP 6 then *

11. Listen to the four-digit number and write it down. It will be repeated twice

12. Turn the ignition ON (The radio displays LOC)

13. Use the MN and HR buttons to enter the code from STEP 11

14. Press the AM/FM button. The radio display changes to SEC

Your radio is now un-locked and usable