The Radio Removal Tools for Mercedes and Audi motorized vehicles are the safest, easiest ways to remove your XM Satellite Radio Receiver. This DM2022 package includes two tools in all. Make your car radio project worry free with these excellent removal tools! Available Documentation: In order to view our radio hardware manuals online, you'll need to have Adobe's Acrobat Reader installed on your computer. If you don't yet have Acrobat Reader, please visit Adobe's web site to download the reader free of charge. none