Metra 99-3030B Single/DDIN Full Radio Dash Kit Fits Cadillac XLR 2004-09Metra , Cadillac Xlr 2004 09 Cadillac Xlr 2004 09 The Metra 99 3030B dash and wiring kit allows you to install a new single DIN (2" tall) or double DIN (4" tall) aftermarket stereo in your vehicle's dash opening. while maintaining your vehicle's steering wheel audio controls, climate controls, OnStar, warning chimes, Retained Accessory Power (R. A. P.), and other factory features. Keep your factory features The included Axxess interface module and