Rear Audio Radio Control Knob Button compatible compatible compatible compatible 2007-2013 (see full fitment guide below) Designed as a direct replacement compatible your lost or broken knob (reference numbers: 22912547 or compatible 22912547) Please note this is compatible the rear audio controls on the back of the center console; this is not the larger knob compatible the radio in the dash Black textured grip, chrome ring on knob face to match the stock look and restore the look of your vehicles interior Easy installation; new knob just slides into place within seconds just make sure there is left from the previous knob Designed specifically to fit: compatible 1500 2007-2013 compatible 2500 2007-2014 compatible 1500 2007-2011 compatible 2500 HD 2007-2011 compatible 3500 HD 2007-2011 compatible 2007-2009 compatible 2009-2013 compatible 1500 2007-2013 compatible 2500 HD 2007-2014 compatible 3500 HD 2007-2014 compatible 2007-2014 compatible XL 2007-2014 compatible Escalade 2007-2011 compatible Enclave 2009-2013 compatible Acadia 2009-2013 (Excludes 07 Classic Body /Sierras) Reference Number: 22912547. Replacement Rear Audio Control Knob. Material: Plastic colour: Black+Silver Package Contents: 2 pair x A/C button knob Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.