Attention ! ! ! ! Please make sure thatyour CAR Model and YEAR both are in the description, Not work with other car models outside the list ! ! ! If no your car, I"'"m sorry it may not sure to fit for your car. Please check clear the below information. So please feel free to contact me, i will help you confirm the fitment. Thanks! The device may be a little lower than the original car CD volume. After installation,you need to adjust the volume on the CD Player. The songs are random switching Mazda only support create 6 folders. Compatible with: (Car Model and Year) Mazda 2(Demio) 2003-2008 Mazda 3 2004-2008 Mazda 5 2005-2009 (without entertainment system) Mazda 6 2002-2008 Mazda 2 (Demio) & 6 (2003-2005) radios might be required to solder a jumper or a 0-ohm chip register on location L716. Not fit for the radio withoutMulti Function Audio System, please refer the below picture. Mazda CX-7 2007-2008 Miata/MX5 2003-2008 Mazda spd 2002-2006 MPV 2002-2011 Protege 2002-2008 RX-8 2004-2008 323/Familia 1999-2003Premacy 2002-2008 Protg 2002-2003 Tribute 2003-2006 Fitfortheseheadunit 1168, 1269, 4103,14789909, 14792086, 14792089, 14794008, 14794522, 14795137, CQ-EM4570AK, CQ-LM4720A, CQ-TT3070AA, CR-LM4282KA, CR-LM4282KA CD,CQ-XM8950A, GS1F669RXA,GJ6R66DSXF02, PT-2674J Please Note: Notcompatible with active Satellite radios or Navigation system. Not all Mazda supports external CDC connection, internal modification might be needed; some radios of Mazda 2 and azda 6 needto solder a jumper or a 0-ohm chip register on location L716 in its head unit. ( More details please refer to the below picture ) RX-8 radio firmware version must be v9.55 or later, v10.1 and v9.81 not supported. (Note to check the radio firmware is available). Not compatible with new mazda models with Can-bus. Pleasecheck the Flash drive must be formatted to FAT32. Support for the maximum flash disk of 32GB.