2005 - 2006 - 2007 Cadillac STS AM FM 6 Disc CD DVD Player Radio with Navigation Display & DVD ROM Drive Part Number: 15256169.This unit is for a 2005-2007 Cadillac STS AM FM / 6 Disc CD DVD Player / Navigation Screen and DVD ROM Drive. It is in excellent condition with no noticeable scratches on the display. This unit is be sold as a replacement for the same part number. If you do not currently have this part number in your vehicle, it may not work. Please contact a Cadillac dealer for upgrade and compatibility information. Please have your VIN and this radio's part number ready.This radio has been cleaned, serviced as needed and thoroughly checked. This radio will need to be unlocked by a dealer upon installation. Please make plans before purchase. Please contact seller with fitment or function questions.