2011 - 2012 Buick Regal Radio Control Panel w Climate Controls. Part Number: 13273259 Radio Not Included. This is for a Buick Regal Radio Face Plate Control Panel w Climate Controls. This face plate has been cleaned, upgraded, serviced as needed and thoroughly checked. Appearance is decent, as pictured, and function is perfect! The part number for this unit is 13273259. If you do not have this exact part number currently in your vehicle, it will likely NOT WORK. If you are unsure of your part number, contact us with your VIN and we should be able to provide you with the correct part number. They may look the same and have the same plugs but data streams may be different, not allowing them to code. For example, external amps are used in some cars and will not allow interchange, etc.