2003 - 2004 - 2005 Pontiac Bonneville AM FM CD Player Radio - Upgraded with Aux Input 3.5 mm jack for use with Android, iPod, iPhone, mp3 Players, Satellite Radio & more! -- Black Buttons -- Part Number: 25753859. Compatible Part Numbers: 25752756 & 25734853. Option Code: U1P. 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 2003-2005 Pontiac Bonneville radio that has been upgraded with Auxiliary Input on the face of the radio. It is a fully functioning CD Player, option code U1P. This is the version that has black buttons. Please contact us if you need the version with gray buttons. 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. The Auxiliary Input is a snap to operate...literally! Just plug in your 3.5 mm cable and it will play in full, crisp, clean quality. When you want to listen to the radio again, simply unplug the cable! The audio is full quality and takes advantage of all sound controls on the radio. Forget those shoddy FM transmitters and listen to music the way it's supposed to sound! If you have any questions about the operation of the jack, please feel free to call! 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, verify cost with your local dealer before purchase.