2005 - 2006 - 2007 Pontiac Grand Prix Radio. AM FM mp3 CD Player. -- MP3 Version -- Part Number: 10352020. Compatible Part Number: 10391497. Option Code: US8. These vehicles came equipped with different option codes that may not be compatible with this radio. Please confirm this is the part you need before purchase. This radio will need to be unlocked by a GM dealer and paired to your vehicle. See below for details. This is for a 2005-2007 Pontiac Grand Prix radio that has been professionally remanufactured! It is a fully functional mp3 CD Player, option code US8. If this is not the exact model your vehicle came equipped with, please confirm fit with a GM dealer or give us a call for assistance. This radio has been cleaned, upgraded, serviced as needed and thoroughly checked. Please Note: This radio will need to be unlocked upon installation in your vehicle. It can be put into a fully functioning test mode for 10 minutes at a time but will need to be taken to a dealer for permanent pairing. This process varies greatly from dealer to dealer, please verify cost with your local dealer before purchase.