Rear Audio Radio Control Knob Button for 2007-2013 (see full fitment guide below) Designed as a direct replacement for your lost or broken knob (reference numbers: 22912547) This is for the rear audio controls on the back of the center console; not the larger knob for the radio in the dash Black textured grip with chrome ring on knob face to match the stock look and restore the appearance of your vehicle's interior Easy installation; new knob slides into place within seconds, ensure the mounting stem from the previous knob is intact Designed specifically to fit: 1500 2007-2013, 2500 2007-2014, 1500 2007-2011, 2500 HD 2007-2011, 3500 HD 2007-2011, 2007-2009, 2009-2013, 1500 2007-2013, 2500 HD 2007-2014, 3500 HD 2007-2014, 2007-2014, XL 2007-2014, Escalade 2007-2011, Enclave 2009-2013, Acadia 2009-2013 (Excludes 07 Classic Body /Sierras) Reference Number: 22912547 Replacement Rear Audio Control Knob Material: Plastic Color: Black + Silver Package Contents: 2 x A/C button knob Only the above package content included; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm