2003 - 2004 - 2005 Chevrolet Impala & Monte Carlo AM FM Cassette Player Radio Upgraded with Bluetooth Music Capability. Stream audio from a smart phone, tablet, or Bluetooth capable music device! Part Number: 10335222. Compatible Part Number: 10317988, 10318432, 10324039 & 104497119. Option Code: UL0 *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. Please make plans before purchase.* This is for a 2003-2005 Chevrolet Impala and Monte Carlo factory OEM AM FM Cassette 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 10335222 with option code UL0 so please make sure this is the correct radio for your vehicle. 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 iTunes, Rhapsody, Pandora, Spotify, YouTube, Netflix, and many will play in full crisp clean quality while taking advantage of all sound controls on the radio. To complete paring some devices require a passkey 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 radio will need unlocked by a GM dealer upon installation. Please Note: That the iPhone pictured above is not included with the purchase and is for demonstration purposes only. This listing is for the Bluetooth upgraded radio only.