2003 - 2007 Cadillac CTS / SRX OEM Radio Control Knob Set. This is a genuine Cadillac OEM part, not the cheap aftermarket stuff.    The knob set has been thoroughly inspected and is in good used condition.  The knob has also been hand cleaned as well. Please make sure your current knob matches the knob in our listing by comparing our pictures to your current knob, Cadillac used different knobs on rare occasions, thank you! Please contact us with any questions you may have about this part. We offer a money back guarantee on this part as well as free shipping.