2003 - 2004 - 2005 Buick LeSabre AM FM CD Cassette Player Radio. OEM Radio Upgraded with Bluetooth Music Capability. Stream audio from a smart phone, tablet or Bluetooth capable music device! Part Number: 25734854. Compatible Part Numbers: 10375848, 25735821, 25756856, 9366434 . Option Code: UN0. This is for a 2003-2005 Buick LeSabre factory OEM AM FM CD Player Radio that has been upgraded with Bluetooth music to use with streaming audio devices! You will not lose any functionality when the Bluetooth is in use and the radio will have all factory OEM features! This radio has been cleaned, serviced as needed and thoroughly checked. Part number is 25734854 with option code UN0 so please make sure this is the correct radio for your vehicle.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. The Bluetooth upgrade is simple to operate! Just pair the device, press the Bluetooth button and play your music or most in-app audio, including Spotify, iTunes, Rhapsody, Pandora, YouTube, Netflix and many, many more will play in full, crisp, clean quality while taking advantage of all sound controls on the radio. To complete paring, some devices require a pass key or code which is "0000." When you do not want to listen to Bluetooth music, simply unpair or turn off your device's Bluetooth. ***Please Note that this will not work with phone calls as phone manufacturers have designed calls to work with Bluetooth mic systems only. This model came with select part numbers that are completely interchangeable, therefore you may receive a different part number. Please let us know before purchase if you would like a specific part number so we can check availability. The radio you receive will be professionally remanufactured and upgraded as described. Please feel free to give us a call with any questions or concerns.