2005 - 2006 - 2007 - 2008 - 2009 Chevy & GMC Truck & Van Body Radio AM FM CD with Auxiliary InputHalloween Orange VersionAux Input in the Face* This radio requires dealer turn-on but is able to be put into a fully functioning test mode for 10 minutes at a time upon installation. Any GM dealer can unlock the radio and it is literally a 5 minute process. Most dealers charge anywhere from $50 to $100 but some will do it free of charge if you have a good relationship with them. Please make plans before purchase. * This radio is used in Chevy and GMC 2005-2009 trucks. It has been refinished with a more durable Halloween orange finish on the face and a black finish on the buttons. This radio looks amazing in person and the pictures do not do it justice! If you are interested with different color finish, face and/or buttons, please get in touch with the seller. The aux input is a direct link to the radio's amplifier so there is no loss of frequency response and no annoying snap, crackle and pop you get with FM Modulators. Hear your audio device through all the speakers nice and clean! To operate the Aux Input, simply plug your device in and the radio will automatically detect the input and change to that source. You can even use the Bass, Treble, Fader and Balance on your radio! Please contact seller with fitment or function questions.