2009 - 2010 - 2011 GMC Acadia Radio. AM FM mp3 CD Player with Auxiliary Input. For use with iPod, iPhone, mp3 Players, Satellite Radio & More! Newer Plastic Chassis Version. Part Number: 25941141. Compatible Part Numbers: 20918592, 20935118, 25941925, 25974805. Option Code: US8 - Code Clear for Plug & Play functionality! - Skip the trip to the dealer! - This is for a 2009-2011 GMC Acadia OEM AM FM mp3 CD Player Radio that has been unlocked and cleared for Plug & Play use! In most cases with these radios, upon installation,you will need to take it to a dealer to be paired with your vehicle. However, this radio has been unlocked here at our Richmond location 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 is the newer plastic chassis version found in 2012 Chevy & GMC trucks. *** Although this radio will be unlocked upon installation, please note that if you have Bose or any other specialty sound system, you may have to visit a dealer to get this radio configured properly for your vehicle. *** This model came with different 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. *Please note that the radio is unlocked only upon first installation. Once it has been paired to your vehicle's VIN, you will need to get it unlocked upon installation in another vehicle.