1996 - 1997 - 1998 - 1999 - 2000 - 2001 - 2002 - 2003 Buick Century, LeSabre, Park Avenue, Regal, Riviera, Roadmaster and Skylark. AM FM CD Cassette Player Radio Upgraded with iPod Aux In directly on the face! For use with iPod, iPad, iPhone, MP3 Player, Sirius XM Satellite, Android Phone & more! Part Number: 09373354. Compatible Part Numbers: 10303195, 10321329, 10325413, 12370257, 12370914, 12371120, 12496117, 16201134, 16216454, 16236464, 16249434, 16267074, 25727521, 25742420, 9350424, 9357024, 9366374, 9366384, 9375624, 9391424, and 9391444. Option Code: UP0. This is for a 1996-2003 Buick Century, LeSabre, Park Avenue, Regal, Riviera, Road Master factory OEM AM FM CD Player Radio that has been upgraded with an aux input for use with iPhone, iPod, MP3 Players, Satellite Radio, Android Phones and more! You will not lose any functionality when the auxiliary input 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 09373354 with option code UP0 so please make sure this is the correct radio for your vehicle. No codes required, it will plug and play! Operation of the iPod jack is a snap. Just plug your accessory in and you will be listening to it through all of your car speakers. Tired of listening to static over your FM modulated satellite radio? Just plug it right in and listen to satellite radio the way it is supposed to sound! Use the volume control on the radio as you usually would. It is the same with the bass, treble, fader, and balance. There is no compromise on the audio going into the jack as it is running straight into the amp.