2006 Chevy Impala & Monte Carlo AM FM mp3 CD Player Radio w Aux Input for use with iPod, iPhone, mp3 Players, Satellite Radio & More! Part Number: 15798974 (Interchangeable with Many Other Numbers) Option Code: US8, Code Clear for Plug & Play functionality! This unit is a Chevrolet Impala and Monte Carlo factory OEM AM FM mp3 CD Player Radio that has been unlocked and cleared for Plug & Play use! In most cases with this radio, upon installation, you will need to take it to a dealer to be paired with your vehicle. This radio has been unlocked so you can skip the trip and tribute to the dealer! You will not lose any functionality and the radio will have all factory OEM features! This radio has been unlocked, cleaned, serviced as needed, and thoroughly double-checked. Appearance is great and function is perfect! No codes required, it will plug and play! It features AM FM, CD Player and Auxiliary Input for use with iPod, iPhone, Android, Satellite Radio, mp3 Players and more! This model came with different part numbers that are completely interchangeable, there for you may receive a different part number. Please contact seller with fitment or function questions.