2006 - 2009 Cadillac DTS OEM AC Heater Climate 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. **Please make sure your current knob matches the knob in our pictures, both front and back prior to purchase. DTS came with different style knobs in the same year vehicles.   Please contact us with any questions you may have about this part. We offer a full money back guarantee on this part as well as free shipping.